Analysis and design of optically pumped far infrared oscillators and amplifiers. Final report, 15 April 1974--15 April 1978
Technical Report
·
OSTI ID:6484104
A waveguide laser oscillator was designed and experimental measurements made of relationships among output power, pressure, pump power, pump frequency, cavity tuning, output beam pattern, and cavity mirror properties for various active gases. A waveguide regenerative amplifier was designed and gain measurements were made for various active gases. An external Fabry-Perot interferometer was fabricated and used for accurate wavelength determination and for measurements of the refractive indices of solids transparent in the far infrared. An electronic system was designed and constructed to provide an appropriate error signal for use in feedback control of pump frequency. Pump feedback from the FIR laser was decoupled using a vibrating mirror to phase modulate the pump signal.
- Research Organization:
- Union Coll., Schenectady, NY (USA). Dept. of Electrical Engineering and Computer Science
- OSTI ID:
- 6484104
- Report Number(s):
- N-78-25893; NASA-CR-157213
- Country of Publication:
- United States
- Language:
- English
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