Nitrogen-laser-pumped ultrashort pulse amplifier
Journal Article
·
· Sov. J. Quant. Electron. (Engl. Transl.); (United States)
The amplification of ultrashort pulses in a N/sub 2/-laser-pumped amplifier was studied both theoretically and experimentally. A good agreement was found between the theoretical and experimental results over six orders of magnitude of input energies if the excited-state absorption of the dye was taken into account. The output energy density of the last amplifier stage was 16.0 mJ/cm/sup 2/, which ensured an energy extraction efficiency as high as 7.7%. The calculated pulse duration increase was 20%. The amplified spontaneous emission background was found to be 1%. The stabilization of the output pulse energy by saturation of the amplification is discussed.
- Research Organization:
- Max Planck Institute of Biophysical Chemistry, Goettingen, West Germany
- OSTI ID:
- 6611807
- Journal Information:
- Sov. J. Quant. Electron. (Engl. Transl.); (United States), Journal Name: Sov. J. Quant. Electron. (Engl. Transl.); (United States) Vol. 12:8; ISSN SJQEA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ABSORPTION
AMPLIFICATION
AMPLIFIERS
DYES
EFFICIENCY
ELECTROMAGNETIC PULSES
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ELEMENTS
ENERGY
ENERGY DENSITY
ENERGY LEVELS
EQUIPMENT
EXCITED STATES
GAS LASERS
LASER RADIATION
LASERS
NITROGEN
NONMETALS
OPTICAL PUMPING
PULSES
PUMPING
RADIATIONS
STABILIZATION
420300* -- Engineering-- Lasers-- (-1989)
ABSORPTION
AMPLIFICATION
AMPLIFIERS
DYES
EFFICIENCY
ELECTROMAGNETIC PULSES
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ELEMENTS
ENERGY
ENERGY DENSITY
ENERGY LEVELS
EQUIPMENT
EXCITED STATES
GAS LASERS
LASER RADIATION
LASERS
NITROGEN
NONMETALS
OPTICAL PUMPING
PULSES
PUMPING
RADIATIONS
STABILIZATION