Coherent light generators – Particular resonant cavity – Plural cavities
Patent
1990-04-20
1991-09-24
Gonzalez, Frank
Coherent light generators
Particular resonant cavity
Plural cavities
372 18, 372 68, 372102, H01S 3098
Patent
active
050520130
ABSTRACT:
A pulsed source of laser light (10) includes a diffraction grating (20) that splits light received from a laser output mirror (12) into a plurality of paths that lead to respective laser gain cells (14.sub.1, 14.sub.2, . . ., 14.sub.n). The gain cells individually amplify light components of different respective wavelengths and reflect them back to the diffraction grating (20), which reassembles them into a single beam for transmission to the laser output mirror (12). A mode locker (24), preferably in the form of a saturable absorber, locks the output components into equally spaced frequencies so that the sum of the individual continuous components will be a pulsed signal.
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Hayes & Laughman, "Generation of Coherent Optical Pulses," Applied Optics, vol. 16, No. 2, Feb. 1977.
Nakazawa et al., "65-Femtosecond Pulse Generation from a Synchronously Pumped Dye Laser Without a Colliding-Pulse Mode-Locking Technique," Optics Letters, vol. 12, No. 9, Sep., 1987.
Kuznetsov et al., "Compression of Picosecond Pulses from Diode Lasers using a Modified Grating-Pair Compressor," Optic Letters, vol. 15, No. 3, Feb. 1990.
Gonzalez Frank
Hansen Galen J.
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