## Background and objective: Effective use of lasers for preventive dental treatments requires accurate knowledge of the amount and distribution of laser energy deposited during irradiation. at co2 wavelengths, the reflection losses are considerable and reduce the laser energy absorbed by the tissu
✦ LIBER ✦
Laser action in burnt gases of combustion engines at λ = 10.6μ
✍ Scribed by T.P. Chang; J.H. Schäfer; J. Uhlenbusch
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 83 KB
- Volume
- 70
- Category
- Article
- ISSN
- 0375-9601
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Second, 3rd, and 4th order harmonics from a Fourier-transform-limited nanosecond CO 2 laser beam at 10.6 lm were efficiently generated within one or two GaSe crystals. The peak output powers were determined to be 443, 23, and 2 W, respectively, corresponding to conversion efficiencies of 3.0%, 0.13%