H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 3/02 (2006.01) H01S 3/082 (2006.01) H01S 3/1055 (2006.01)
Patent
CA 2147021
Self-seeding method and apparatus for a dual cavity type tunable laser utilizing a diffraction grating are disclosed, in which first diffracted beams and 0th diffracted beams are utilized. The self-seeding method and apparatus for a dual cavity type tunable laser are constituted such that two oscillators are internally provided by utilizing a diffraction grating and by making a single medium shared, so that the respective oscillators would serve as a master oscillator and a slave oscillator, thereby making it possible to save optical devices. Further, in the present invention, only one partially reflecting mirror is disposed on the output portion of a GIM (grazing incidence with tuning mirror) type oscillator, so that a self-seeding would occur, and that thelaser output would be greatly amplified with the oscillation linewidth maintained without variations.
Cha Byung-Heon
Kim Sung-Ho
Ko Do-Kyeong
Lee Jong-Min
Korea Atomic Energy Research Institue
Korea Electric Power Corporation
R. William Wray & Associates
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