Free-electron laser with difraction grating resonator

Details Free-electron laser with difraction grating resonator Free-electron laser with difraction grating resonator

1989-07-24

1990-06-12

Scott, Jr., Leon

Coherent light generators

Free electron laser

372 99, 372102, H01S 300

Patent

active

049339427

ABSTRACT:
A free-electron laser including one or more diffraction gratings as part of a resonator structure, to automatically compensate for resonator reflector pointing errors. The angle of reflection of radiation incident on the diffraction grating is frequency-dependent, and this permits compensation of the pointing errors by small shifts in the frequency of operation of the laser, within its normal bandwidth of operation. The technique may be employed in various resonator structures, including a ring resonator.

REFERENCES:
patent: 4742522 (1988-05-01), Linford
patent: 4748629 (1988-05-01), Edlin et al.
patent: 4845718 (1989-07-01), Pistoresi

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