Low-noise operation of a diode-pumped intracavity-doubled Nd:YAG laser using a Brewster plate

Low-noise operation of a diode-pumped intracavity-doubled Nd:YAG laser using a Brewster plate

The authors demonstrate noise reduction which has been attained in a diode-pumped intracavity-doubled Nd:YAG laser by using a novel birefringent filter formed by a Brewster plate and a birefringent KTP crystal. It is confirmed that single longitudinal mode operation is obtained by the birefringent f...

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Veröffentlicht in:IEEE journal of quantum electronics 1992-04, Vol.28 (4), p.1164-1168
Hauptverfasser: Nagai, H., Kume, M., Ohta, I., Shimizu, H., Kazumura, M.
Format: Artikel
Sprache:eng
Schlagworte:
Birefringence
Diodes
Filters
Laser applications
Laser excitation
Laser modes
Laser noise
Noise reduction
Pump lasers
Solid lasers
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Beschreibung
Zusammenfassung:The authors demonstrate noise reduction which has been attained in a diode-pumped intracavity-doubled Nd:YAG laser by using a novel birefringent filter formed by a Brewster plate and a birefringent KTP crystal. It is confirmed that single longitudinal mode operation is obtained by the birefringent filter. As a result, the relative intensity noise obtained is less than -135 dB Hz. This noise reduction technique should play an important role for application of laser-diode pumped intracavity-doubled solid-state lasers.< >
ISSN:0018-9197
1558-1713
DOI:10.1109/3.135242