Laser apparatus including Fabry-perot wavelength detector with t

Details Laser apparatus including Fabry-perot wavelength detector with t Laser apparatus including Fabry-perot wavelength detector with t

1993-05-07

1995-02-07

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 32, G01B 902

Patent

active

053879740

ABSTRACT:
An inexpensive, high-accuracy and highly stable wavelength measuring device and laser device without requiring any complicated and expensive temperature regulating means, wherein an error in the measured wavelength of a to-be-measured light obtained from a photosensor by detecting temperature of a Fabry-Perot etalon with a temperature sensor and operating the error in wavelength from the detected data, caused by thermal expansion of a spacer.

REFERENCES:
patent: 4914662 (1990-04-01), Nakatani et al.
patent: 4986665 (1991-01-01), Yamanish et al.
Laser Und Optoelektronik, vol. 15, No. 3, Sep. 1983, pp. 245-251, G. Meisel, "Die Stabilisierung Und Durchstimmung Von Dauerstrich-Farbstofflasern, Teil II" (with English Translation).
Applied Optics, vol. 21, No. 21, Nov. 1, 1982, pp. 3896-3902, D. Rees, et al., "Stable and Rugged Etalon for the Dynamics Explorer Fabry-Perot Interferometer. 1: Design and Construction".
IEEE Journal of Quantum Electronics, vol. 14, No. 1, Jan. 1978, pp. 17-22, J. Munch, et al., "Frequency Stability and Stabilization of a Chemical Laser".
K. Dasgupta, et al., Applied Optics, vol. 26, No. 17, Sep. 1, 1987, pp. 3659-3662. "Wavelength stabilization and control of pulsed cw tunable dye lasers: a simple scheme".

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