Noncollinear noncritically phase-matched generation of tunable far-UV radiation in an LB4 crystal
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- Physics Department, Netaji Mahavidyalaya, Arambagh, Hooghly-712601 (India)
- Physics Department, Regional Engineering College, Durgapur-713209 (India)
- Physics Department, Burdwan University, Burdwan-713104 (India)
Tunable far-UV laser radiation is generated in the 204.7-205.5-nm region in a 3.4-cm long LB4 crystal by using noncritical noncollinear sum frequency mixing of the Nd:YAG laser radiation and the second harmonic of a tunable dye laser. A large value of phase-matching angular acceptance of 0.50 mrad is measured at noncritical phase-matching, which is 1.8 times larger than the critically phase-matched value. A conversion efficiency of 2.1% is obtained for the generation of far-UV at 205 nm. Tunable UV radiation is also generated in the range from 246 to 255 nm using collinear second harmonic of tunable dye laser radiation in an LB4 crystal. (nonlinear optical phenomena)
- OSTI ID:
- 21456828
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Journal Name: Quantum Electronics (Woodbury, N.Y.) Journal Issue: 9 Vol. 35; ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
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