Ekspla
Encyclopedia
EKSPLA is a laser
Laser
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of photons. The term "laser" originated as an acronym for Light Amplification by Stimulated Emission of Radiation...

 manufacturing company based in Lithuania
Lithuania
Lithuania , officially the Republic of Lithuania is a country in Northern Europe, the biggest of the three Baltic states. It is situated along the southeastern shore of the Baltic Sea, whereby to the west lie Sweden and Denmark...

. EKSPLA is known for their lasers and laser systems as well as other photonics
Photonics
The science of photonics includes the generation, emission, transmission, modulation, signal processing, switching, amplification, detection and sensing of light. The term photonics thereby emphasizes that photons are neither particles nor waves — they are different in that they have both particle...

 components. The company is supplying their products and solutions for scientific & industrial applications.

History

All Lithuanian laser technology companies trace their roots to Vilnius University
Vilnius University
Vilnius University is the oldest university in the Baltic states and one of the oldest in Eastern Europe. It is also the largest university in Lithuania....

 and the Institute of Physics. Members of Lithuanian Academy of Sciences and of the Institute of Physics organised an experimental workshop and established the EKSMA company in 1983. It represented the scientific instrumentation of the former Soviet Union
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

.

In 1992, an EKSMA laser design and manufacturing spin-off named EKSPLA started operating as a separate legal entity. Gradual development of the company can be illustrated by its customer base expansion to Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 in 1993 and USA in 1996. Today it covers all the world.

The first EKSPLA commercial picosecond diode-pumped laser was developed in 2002. Currently (2007) the company supplies more than 20 types of diode-pumped solid-state lasers.

In 2004, EKSMA became a holding company
Holding company
A holding company is a company or firm that owns other companies' outstanding stock. It usually refers to a company which does not produce goods or services itself; rather, its purpose is to own shares of other companies. Holding companies allow the reduction of risk for the owners and can allow...

 through acquisition of EKSPLA. The shareholder
Shareholder
A shareholder or stockholder is an individual or institution that legally owns one or more shares of stock in a public or private corporation. Shareholders own the stock, but not the corporation itself ....

s agreed to consolidate all laser and photonics related businesses of both companies into EKSPLA, and two divisions
Division (business)
A division of a business entity is a portion of that business that operates under a different name. It is the equivalent of a corporation or limited liability company obtaining a fictitious name or "doing business as" certificate and operating a business under that fictitious name...

 were established: Laser & Laser Systems and Photonics Components. Although company operates under the EKSPLA name, both EKSPLA and EKSMA trademark
Trademark
A trademark, trade mark, or trade-mark is a distinctive sign or indicator used by an individual, business organization, or other legal entity to identify that the products or services to consumers with which the trademark appears originate from a unique source, and to distinguish its products or...

s are used for laser and components businesses.

Effective from 1 July 2008, all components business activities (covering optical components, laser & nonlinear crystals, positioning mechanics, mounts and optical tables) were moved from EKSPLA to an Optolita company with the brand name of and doing business as EKSMA OPTICS.

Awards

In 2005 EKSPLA was awarded as the knowledge economy
Knowledge economy
The knowledge economy is a term that refers either to an economy of knowledge focused on the production and management of knowledge in the frame of economic constraints, or to a knowledge-based economy. In the second meaning, more frequently used, it refers to the use of knowledge technologies to...

 company of the year. The award
Award
An award is something given to a person or a group of people to recognize excellence in a certain field; a certificate of excellence. Awards are often signifiedby trophies, titles, certificates, commemorative plaques, medals, badges, pins, or ribbons...

 was given as an acknowledgement of company’s constant investments and achievements in development and marketing of knowledge-based products, innovative solutions, cooperation with research institutions, and support to the knowledge-based economy development projects.

In 2006 EKSPLA was announced the Innovative Company of the year. This prize came in recognision of company’s activities creating new products and implementing new solutions and innovations at company level.

In 2007 EKSPLA CEO Kestutis Jasiunas, together with other scientists and entrepreneurs (dr. Romualdas Danielius, Rimantas Kraujalis and prof. habil. dr. Algis Petras Piskarskas), received the Partnership Award of the National Advancement Awards. This was an acknowledgement of major contribution to Lithuania laser science and industry consolidation
Consolidation (business)
Consolidation or amalgamation is the act of merging many things into one. In business, it often refers to the mergers and acquisitions of many smaller companies into much larger ones. In the context of financial accounting, consolidation refers to the aggregation of financial statements of a group...

.

Products

EKSPLA has 8 product lines: scientific lasers and laser systems, industrial lasers, laser spectroscopy, opto-electronic components. The company manufactures and supplies photonic products and services for OEM
Original Equipment Manufacturer
An original equipment manufacturer, or OEM, manufactures products or components that are purchased by a company and retailed under that purchasing company's brand name. OEM refers to the company that originally manufactured the product. When referring to automotive parts, OEM designates a...

 and R&D
Research and development
The phrase research and development , according to the Organization for Economic Co-operation and Development, refers to "creative work undertaken on a systematic basis in order to increase the stock of knowledge, including knowledge of man, culture and society, and the use of this stock of...

 applications.

Lasers and laser systems

Since its foundation, the company was manufacturing only flash-lamp pumped lasers
Laser pumping
Laser pumping is the act of energy transfer from an external source into the gain medium of a laser. The energy is absorbed in the medium, producing excited states in its atoms. When the number of particles in one excited state exceeds the number of particles in the ground state or a less-excited...

. But as the diode pumping results in better overall efficiency and beam quality, a decision was made to replace them with diode-pumped lasers. Currently EKSPLA laser product line comprises mainly diode-pumped lasers.

If classified by pulse duration, the company manufactures nanosecond
Nanosecond
A nanosecond is one billionth of a second . One nanosecond is to one second as one second is to 31.7 years.The word nanosecond is formed by the prefix nano and the unit second. Its symbol is ns....

 and picosecond
Picosecond
A picosecond is 10−12 of a second. That is one trillionth, or one millionth of one millionth of a second, or 0.000 000 000 001 seconds. A picosecond is to one second as one second is to 31,700 years....

 lasers.

Most common EKSPLA lasers applications:
  • Research and Development
    Research and development
    The phrase research and development , according to the Organization for Economic Co-operation and Development, refers to "creative work undertaken on a systematic basis in order to increase the stock of knowledge, including knowledge of man, culture and society, and the use of this stock of...

  • Spectroscopy
    Spectroscopy
    Spectroscopy is the study of the interaction between matter and radiated energy. Historically, spectroscopy originated through the study of visible light dispersed according to its wavelength, e.g., by a prism. Later the concept was expanded greatly to comprise any interaction with radiative...

  • Ti:Sapphire
    Ti-sapphire laser
    Ti:sapphire lasers are tunable lasers which emit red and near-infrared light in the range from 650 to 1100 nanometers. These lasers are mainly used in scientific research because of their tunability and their ability to generate ultrashort pulses...

     and dye laser
    Dye laser
    A dye laser is a laser which uses an organic dye as the lasing medium, usually as a liquid solution. Compared to gases and most solid state lasing media, a dye can usually be used for a much wider range of wavelengths. The wide bandwidth makes them particularly suitable for tunable lasers and...

     pumping
  • OPG
    Optical parametric amplifier
    An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an optical parametric amplification process.-Optical parametric generation :...

    /OPA
    Optical parametric amplifier
    An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an optical parametric amplification process.-Optical parametric generation :...

    , OPO
    Optical parametric oscillator
    An optical parametric oscillator is a parametric oscillator which oscillates at optical frequencies. It converts an input laser wave into two output waves of lower frequency by means of second order nonlinear optical interaction. The sum of the output waves frequencies is equal to the input wave...

     pumping
  • Plasma
    Plasma (physics)
    In physics and chemistry, plasma is a state of matter similar to gas in which a certain portion of the particles are ionized. Heating a gas may ionize its molecules or atoms , thus turning it into a plasma, which contains charged particles: positive ions and negative electrons or ions...

     studies
  • LIDAR
    LIDAR
    LIDAR is an optical remote sensing technology that can measure the distance to, or other properties of a target by illuminating the target with light, often using pulses from a laser...

  • Photobiology
    Photobiology
    Photobiology is the scientific study of the interactions of light and living organisms. The field includes the study of photosynthesis, photomorphogenesis, visual processing, circadian rhythms, bioluminescence, and ultraviolet radiation effects...

    , photochemistry
    Photochemistry
    Photochemistry, a sub-discipline of chemistry, is the study of chemical reactions that proceed with the absorption of light by atoms or molecules.. Everyday examples include photosynthesis, the degradation of plastics and the formation of vitamin D with sunlight.-Principles:Light is a type of...

  • Micromachining
  • Marking
  • Engraving
    Engraving
    Engraving is the practice of incising a design on to a hard, usually flat surface, by cutting grooves into it. The result may be a decorated object in itself, as when silver, gold, steel, or glass are engraved, or may provide an intaglio printing plate, of copper or another metal, for printing...

  • Ablation
    Ablation
    Ablation is removal of material from the surface of an object by vaporization, chipping, or other erosive processes. This occurs in spaceflight during ascent and atmospheric reentry, glaciology, medicine, and passive fire protection.-Spaceflight:...

  • Other applications

Laser micromachining

In 2007 EKSPLA developed Master Series laser marking systems for material processing. A diode-pumped laser integrated in the system and enables higher productivity. This product line has been designed with industrial applications in mind.

Laser marking systems can be used to perform various tasks: to mark serial number
Serial number
A serial number is a unique number assigned for identification which varies from its successor or predecessor by a fixed discrete integer value...

s, barcodes for identification, small „invisible“ signs for trademark
Trademark
A trademark, trade mark, or trade-mark is a distinctive sign or indicator used by an individual, business organization, or other legal entity to identify that the products or services to consumers with which the trademark appears originate from a unique source, and to distinguish its products or...

 protection or even to scribe semiconductors or plastics. Laser marking systems are suitable for creation of 2D and 3D patterns inside glass
Glass
Glass is an amorphous solid material. Glasses are typically brittle and optically transparent.The most familiar type of glass, used for centuries in windows and drinking vessels, is soda-lime glass, composed of about 75% silica plus Na2O, CaO, and several minor additives...

.

Opto-electronic components

The following opto-electronic components are produced:
  • Pockels cells
    Pockels effect
    The Pockels effect , or Pockels electro-optic effect, produces birefringence in an optical medium induced by a constant or varying electric field. It is distinguished from the Kerr effect by the fact that the birefringence is proportional to the electric field, whereas in the Kerr effect it is...

    . The material for Pockels cells are BBO and KD*P nonlinear crystals. Pockels cells are used in DPSS Q-switching
    Q-switching
    Q-switching, sometimes known as giant pulse formation, is a technique by which a laser can be made to produce a pulsed output beam. The technique allows the production of light pulses with extremely high peak power, much higher than would be produced by the same laser if it were operating in a...

     lasers and are the basic components of electro-optic modulator
    Electro-optic modulator
    Electro-optic modulator is an optical device in which a signal-controlled element displaying electro-optic effect is used to modulate a beam of light. The modulation may be imposed on the phase, frequency, amplitude, or polarization of the modulated beam...

    s. Pockels cells applications: high repetition rate regenerative amplifier
    Amplifier
    Generally, an amplifier or simply amp, is a device for increasing the power of a signal.In popular use, the term usually describes an electronic amplifier, in which the input "signal" is usually a voltage or a current. In audio applications, amplifiers drive the loudspeakers used in PA systems to...

     control, beam chopper
    Optical chopper
    An optical chopper is a mechanical device which periodically interrupts a light beam. Three types are available: variable frequency rotating disc choppers, fixed frequency tuning fork choppers, and optical shutters...

    , cavity
    Optical cavity
    An optical cavity or optical resonator is an arrangement of mirrors that forms a standing wave cavity resonator for light waves. Optical cavities are a major component of lasers, surrounding the gain medium and providing feedback of the laser light. They are also used in optical parametric...

     dumping.
  • Drivers for Pockels cells. These have been designed to enable Q-switching of nanosecond lasers without use of phase retardation plate. High voltage applied to the Pockels cell inhibits oscillation
    Oscillation
    Oscillation is the repetitive variation, typically in time, of some measure about a central value or between two or more different states. Familiar examples include a swinging pendulum and AC power. The term vibration is sometimes used more narrowly to mean a mechanical oscillation but sometimes...

    . At a certain time HV is switched to ground thus allowing the laser to radiate.
  • Crystal Ovens. Ovens accommodate temperature-sensitive nonlinear crystals. They are used for precise temperature stabilization of laser harmonic crystals of various sizes, and for heating of both bulk and thin periodically poled crystals.

Partnership

Ekspla has a successful track record of international collaboration in the frames of NATO and EUREKA
EUREKA
EUREKA, often abbreviated as "E!" or "Σ!", is a pan-European research and development funding and coordination organization. EUREKA aims to coordinate efforts of governments, research institutes and commercial companies concerning innovation...

 programs. In 2002 Ekspla was appointed the first Lithuania-based coordinator of a European Union FP5 project.

The company participates in a number of research projects of Lithuanian State Science and Studies Foundation, with research groups from the Institute of Physics and Laser Research Centre at Vilnius University
Vilnius University
Vilnius University is the oldest university in the Baltic states and one of the oldest in Eastern Europe. It is also the largest university in Lithuania....

.

EKSPLA is closely collaborating with other Lithuanian enterprises in photonics field: Standa, Optida, Light Conversion. In 2005-2007 these four companies carried out a successfully completed research and technological development project “Lasers for microprocessing and diagnostics” partially financed from EU Structural Funds
Structural Funds and Cohesion Funds
The Structural Funds and the Cohesion Fund are financial tools set up to implement the Cohesion policy also referred to as the Regional policy of the European Union. They aim to reduce regional disparities in terms of income, wealth and opportunities...

. The purpose of the project was to develop a new type of lasers meeting the requirements for industrial applications. Light Conversion and EKSPLA did the research work for development of high repetition rate, short pulse, high medium power diode-pumped lasers and investigated generation of harmonics, tunable optical parametric radiation. Such sources of radiation are supposed to be used in microprocessing.

The company sells its products directly
Direct selling
Direct selling is the marketing and selling of products directly to consumers away from a fixed retail location. Peddling is the oldest form of direct selling. Modern direct selling includes sales made through the party plan, one-on-one demonstrations, and other personal contact arrangements as...

 or through distributors
Distribution (business)
Product distribution is one of the four elements of the marketing mix. An organization or set of organizations involved in the process of making a product or service available for use or consumption by a consumer or business user.The other three parts of the marketing mix are product, pricing,...

. Distributors are found in Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

, Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

, France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, Israel
Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

, Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

, Liechenstein, Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

, Poland
Poland
Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

, Romania
Romania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

, Switzerland
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

, Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

, USA.
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