Device for continuously tuning a coherent and rectilinearly pola

Details Device for continuously tuning a coherent and rectilinearly pola Device for continuously tuning a coherent and rectilinearly pola

1990-11-13

1992-06-09

Epps, Georgia Y.

Coherent light generators

Particular beam control device

Tuning

372 33, 372 97, 372105, H01S 310

Patent

active

051213990

ABSTRACT:
Device able to continuously tune a coherent and rectilinearly polarized light source. It includes an electro-optical device (5) forming a spectral filter with an electrically modulable transfer function, this electro-optical device being provided so as to select a particular longitudinal mode from all the longitudinal modes able to oscillate inside the external cavity for which the source (1) is provided and which is ended by a reflecting device (3) towards the source of the light emitted by this source, and an electro-optical device (4) for varying the optical length of the cavity, this variation device being placed in the cavity and provided so as to continuously move the position of the selected longitudinal mode, each electro-optical device including a compact electro-optical crystal.

REFERENCES:
patent: 4803692 (1989-02-01), Sakano et al.
patent: 4897843 (1990-01-01), Scott
patent: 4975918 (1990-12-01), Morton
Article by Heismann et al., published in Applied Physics Letters, vol. 51, No. 3, Jul. 20, 1987, pp. 164 to 166.
Article by C. Chappuis et al., published in Optics Communications, vol. 47, No. 1, Aug. 1, 1983, pp. 12 to 17.
Article by C. L. Tang et al., published in Applied Physics Letters, vol. 30, No. 2, Jan. 15, 1977, pp. 113 to 116.
Article by A. Schremer et al., published in Applied Physics Letters, vol. 55, No. 1, Jul. 3, 1989, pp. 19 to 21.
Article by J. M. Telle et al., published in Applied Physics Letters, vol. 24, No. 2, Jan. 15, 1974, pp. 85 to 87.

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