Mishik Kazaryan: The Architect of High-Brightness Metal Vapor Lasers
Mishik Airazatovich Kazaryan (1948–2020) was a towering figure in the landscape of Soviet and Russian physics. A specialist in laser physics and optics, he is best remembered as one of the primary creators of the copper vapor laser—the brightest repetitively pulsed laser in the visible spectrum. His work bridged the gap between fundamental quantum electronics and practical applications in industry, medicine, and isotope separation.
1. Biography: From Hrazdan to the Lebedev Institute
Mishik Kazaryan was born on February 28, 1948, in Hrazdan, Armenia. His intellectual journey took him to Moscow during the height of the Soviet "Golden Age" of physics. He enrolled at the prestigious Moscow Institute of Physics and Technology (MIPT), graduating in 1970.
Following graduation, Kazaryan joined the P.N. Lebedev Physical Institute (FIAN) of the USSR Academy of Sciences, an institution synonymous with Nobel-caliber research. He spent his entire career there, rising from a junior researcher to a leading professor. He earned his Candidate of Sciences (PhD) in 1975 and his Doctor of Physical and Mathematical Sciences in 1989.
In addition to his research at FIAN, Kazaryan was a dedicated educator, serving as a Professor at MIPT and the National Research Nuclear University (MEPhI), where he mentored generations of laser physicists.
2. Major Contributions: Mastering Metal Vapors
Kazaryan’s most significant scientific legacy lies in the development of Metal Vapor Lasers (MVLs).
The Copper Vapor Laser (CVL)
Kazaryan was a pioneer in developing the copper vapor laser, which operates in the green (510.6 nm) and yellow (578.2 nm) wavelengths. He helped solve the technical challenges of maintaining the high temperatures (approx. 1500°C) required to vaporize metal while achieving high pulse repetition frequencies.
High-Brightness Projection
He developed the "active optical system" or "laser monitor." This technology allowed for the visualization of high-speed processes in extreme environments—such as inside a combustion engine or a nuclear reactor—by using the laser medium to amplify light from the object itself.
Laser Isotope Separation
His work on high-power CVLs was instrumental in the field of Laser Isotope Separation (LIS), a method used to enrich uranium and separate stable isotopes for medical and industrial use.
Light-Induced Motion
Later in his career, Kazaryan explored the "photophoresis" of microparticles, investigating how light can induce the motion of matter in gas and liquid media, which has implications for environmental science and aerosol physics.
3. Notable Publications
Kazaryan authored over 500 scientific papers and several foundational monographs. His most influential works include:
- Pulsed Metal Vapor Lasers (1988/1991): A seminal monograph (co-authored with G.G. Petrash and others) that became the definitive text for researchers in the field.
- Gas-Discharge Lasers on Self-Terminating Transitions of Metal Atoms (1983): This work laid the theoretical groundwork for understanding the efficiency and power scaling of CVLs.
- Laser Isotope Separation in Atomic Vapors (2005): A comprehensive overview of the physics and technology behind isotope enrichment using laser systems.
- Electrophysical and Chemical Processes in Hyper-Low-Frequency Magnetic Fields (2015): Demonstrating his range, this later work explored the intersection of physics and biology.
4. Awards & Recognition
Kazaryan’s contributions earned him some of the highest honors in the Soviet and Russian scientific communities:
- USSR State Prize in Science and Technology (1980): Awarded for his work on the development of pulsed lasers based on metal vapors.
- A.M. Prokhorov Prize: Named after the Nobel laureate and co-inventor of the laser, recognizing Kazaryan’s excellence in quantum electronics.
- Honored Inventor of the Russian Federation: A testament to his numerous patents (over 40) and practical contributions to technology.
- Foreign Member of the National Academy of Sciences of Armenia: Recognizing his lifelong connection to his heritage and his role in fostering Armenian science.
5. Impact & Legacy
Kazaryan’s work turned the copper vapor laser from a laboratory curiosity into a robust industrial tool.
- Industrial Impact: CVLs are used today for precision micro-machining, underwater imaging (due to the green light's ability to penetrate water), and high-speed photography.
- Medical Legacy: He was a proponent of using laser systems in oncology and dermatology. His "laser monitor" technology has been adapted for medical diagnostics, allowing doctors to see through "turbid" media like human tissue.
- The "Kazaryan School": He established a scientific school that continues to produce research in laser physics across Russia and the CIS countries.
6. Collaborations
Kazaryan was a central node in the international physics community.
- Alexander Prokhorov: He worked closely with the Nobel Prize winner, who was a mentor and director at FIAN.
- Gennady Petrash: His long-term collaborator at Lebedev, with whom he co-developed the fundamental principles of metal vapor lasers.
- International Ties: Kazaryan maintained strong research partnerships with scientists in Bulgaria, China, and Italy, ensuring that Russian laser technology remained integrated with global advancements.
7. Lesser-Known Facts
- A Tragic End: Mishik Kazaryan’s death was particularly poignant. He passed away on April 7, 2020, in Moscow due to complications from COVID-19. His wife, the renowned physician Arpik Asratyan, had died from the same virus just ten days earlier.
- Water Purification: In his later years, Kazaryan became fascinated by the "electrospray" effect and the use of physical phenomena to purify water and create stable gas-liquid emulsions, showcasing a shift toward environmental physics.
- Science Popularizer: He was known for his ability to explain complex quantum phenomena to the public and frequently appeared in media to discuss the future of Russian high-tech industry.