Second and third harmonic generation in BBO by femtosecond Ti: sapphire laser pulses
β Scribed by Hang Liu; Jianguan Yao; Ashok Puri
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 409 KB
- Volume
- 109
- Category
- Article
- ISSN
- 0030-4018
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Second- and third-harmonic generation in silicon carbide (__SiC__) nanopowders embedded in a polymethyl methacrylate (__PMMA__) film are studied using nano-, pico-, and femtosecond laser pulses. Second- and third-harmonic generation processes are shown to allow the detection of absorptive agglomerat
The power of the second harmonic irradiated by the cluster at the interaction with a femtosecond laser pulse is derived. The main contribution is produced by the relativistic oscillations of the electron cloud along the direction of the propagation of the laser pulse. The contribution into radiation