Narrow-bandwidth diode-laser-based blue and ultraviolet light source
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A compact, tunable and narrow-bandwidth laser source for blue and ultraviolet radiation is presented. A grating-stabilized diode laser at 922 nm is frequency-stabilized to below 100 Hz relative to a reference resonator. Injection of the diode-laser light into a tapered amplifier yields a power of 0.5 W. In a first frequency-doubling stage, more than 200 mW of blue light at 461 nm is generated by use of a periodically poled KTP crystal. Subsequent second-harmonic generation employing a BBO crystal leads to about 1 mW of ultraviolet light at 231 nm.
- Narrow-bandwidth diode-laser-based blue and ultraviolet light source
Applied Physics B
Volume 76, Issue 2 , pp 143-147
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- PACS: 42.55.Px; 42.60.Lh; 42.60.Da; 42.65.Ky
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