Externally controllable miniature lasers

Details Externally controllable miniature lasers Externally controllable miniature lasers

1975-10-10

1977-01-11

Sikes, William L.

Oscillators

Molecular or particle resonant type

350 96WG, H01S 3082

Patent

active

040029980

ABSTRACT:
Lasers and methods of lasing include introducing light to an optical wave guide from a pumping light source. The wave guide is formed of a deformable elastomer film having a laser active material therein. The film is deformable by an electric field impressed across the thickness of the elastomer film. The electric field causes spatially periodic deformation of the elastomer cross-section, to produce distributed feedback and cause lasing. In one embodiment of the invention, electrodes are spaced from each other by a distance which is a function of the desired laser frequency and in another embodiment the elastic modulus of the film itself is varied as a function of the desired laser frequency.

REFERENCES:
patent: 3868589 (1975-02-01), Wang
Kogelnik et al., Coupled-Wave Theory of Distributed Feedback Lasers, J. Appl. Phys., vol. 43, No. 5 (May 1972) pp. 2327-2335.

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