Variable-aperture calorimeter for an unstable resonator. Interim report
Technical Report
·
OSTI ID:7216716
A new technique for measuring the output power from a cw edge-coupled unstable resonator has been developed and applied to a cw DF laser. An internal-cavity calorimeter was used that permits measurement of output power with a variable rectangular-mode geometry while containing the radiation inside the resonator. The variable aperture calorimeter-absorbing scraper (VACAS) device consists of an absorbing copper plate calorimeter assembly, which replaces the 45-deg output coupling mirror of a conventional edge-coupled unstable cavity.
- Research Organization:
- Aerospace Corp., El Segundo, CA (USA). Aerophysics Lab.
- OSTI ID:
- 7216716
- Report Number(s):
- AD-A-026576
- Country of Publication:
- United States
- Language:
- English
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