Laser component

Details Laser component Laser component

1980-04-29

1982-04-13

Corbin, John K.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

372 98, G01B 902

Patent

active

043244750

ABSTRACT:
An etalon for use in lasers, particularly CW dye lasers, comprises a pair of plates, 10,11 respectively mounted at the ends of a tube 12 with the distal faces 10a, 11a of the plates parallel and the chamber 13 formed within the tube 12 between plates 10,11 is substantially completely filled with a fluid 20 whose refractive index matches that of the plates 10,11 and means 25 are provided for causing extension and contraction of the axial spacing of the plates 10,11. In one embodiment the tube 12 is made of piezoelectric material and the means 25 provides an electrical drive signal to the piezoelectric material. In another embodiment the tube 12 has piezoelectric portions and other portions made of a rigid material. In a further embodiment the tube has portions made of a rigid material which are separated by an elastomer 39 and the means 25 includes a pump 26 which is in fluid communication with the chamber 13. The plates 10 and 11 may be mounted directly on the ends of the tube 12 but more conveniently are mounted on adjustable holders 16, 16a, 17 and 17a.

REFERENCES:
patent: 3725814 (1973-04-01), Schlossberg
patent: 4081760 (1978-03-01), Berg
patent: 4081765 (1978-03-01), Berg et al.
patent: 4152674 (1979-05-01), Taguchi

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