LIGHT FEEDBACK TYPE LIGHT FREQUENCY OFFSET LOCKING DEVICE

LIGHT FEEDBACK TYPE LIGHT FREQUENCY OFFSET LOCKING DEVICE

PURPOSE:To enable semiconductor lasers to be controlled in light frequency so as to make a light frequency difference between the frequencies of the semiconductor laser and a main laser which serves as a light frequency reference stable through a wide band of a few of THz. CONSTITUTION:The oscillati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TEJIMA MITSUHIRO
Format: Patent
Sprache:eng
Schlagworte:
AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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Beschreibung
Zusammenfassung:PURPOSE:To enable semiconductor lasers to be controlled in light frequency so as to make a light frequency difference between the frequencies of the semiconductor laser and a main laser which serves as a light frequency reference stable through a wide band of a few of THz. CONSTITUTION:The oscillation light frequencies of main and subsidiary semiconductor laser, 21 and 22, are stabilized at the resonant frequency of an optical resonator 26 due to a self-ziehen effect based on light feedback from the optical resonator 26, and as the resonant frequency of the optical resonator 26 is periodical, the light frequency of the secondary laser 2 is made to be coincident with an adjacent resonante frequency or one of resonant frequencies away from each other.