High-power, high-pressure IR Ar - Xe lasers

Journal Article · Fri Feb 28 00:00:00 EST 2003 · Quantum Electronics (Woodbury, N.Y.)

DOI:https://doi.org/10.1070/QE2003V033N02ABEH002374· OSTI ID:21470270

Kholin, I V ^[1]

---

1. P.N. Lebedev Physics Institute, Russian Academy of Sciences, Moscow (Russian Federation)

Investigations of high-pressure lasers on Ar - Xe mixtures pumped by electron beams and electroionisation discharges are reviewed. A new method of pumping laser transitions by an electroionisation discharge is proposed. The method uses the excited states of Xe atoms as the ground laser level. An electroionisation laser on the IR transitions of a Xe atom with a volume of the active region of 10 L and a pulse duration of 5 {mu}s is developed on this basis. Its specific (up to 8 J L{sup -1}) and absolute (up to 80 J) energy outputs exceed those of electric-discharge noble-gas lasers by more than one and two orders of magnitude, respectively. It is shown that the efficiency of conversion of the electric energy deposited in the discharge into laser radiation can be as high as 5%. The laser beam divergence obtained at output energies close to the maximum one is {approx}3 x 10{sup -5} rad. It is shown in principle that a repetitively pulsed Xe laser emitting at 1.73 {mu}m with a specific energy output of 0.5 - 1.0 kW L{sup -1} and an efficiency of 2.0% - 3.2% can be created. (special issue devoted to the 80th anniversary of academician n g basov's birth)

• OSTI ID: 21470270
• Journal Information: Quantum Electronics (Woodbury, N.Y.), Vol. 33, Issue 2; Other Information: DOI: 10.1070/QE2003v033n02ABEH002374; ISSN 1063-7818
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
EFFICIENCY
ELECTRIC DISCHARGES
ELECTRON BEAMS
EXCITED STATES
GAS LASERS
LASER RADIATION
OPTICAL PUMPING
PRESSURE RANGE MEGA PA 10-100
PULSES
RARE GASES
XENON
BEAMS
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY LEVELS
FLUIDS
GASES
LASERS
LEPTON BEAMS
NONMETALS
PARTICLE BEAMS
PRESSURE RANGE
PRESSURE RANGE MEGA PA
PUMPING
RADIATIONS