A source of THz radiation with electric field strength of more than 1 MV cm{sup −1} on the basis of 100-Hz femtosecond Cr : forsterite laser system
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
A source of terahertz (THz) radiation with a bandwidth of 0.5 – 2.5 THz and a pulse repetition rate of 100 Hz has been developed. The THz generation is based on optical rectification of femtosecond pulses (generated by a Cr : forsterite laser system) in a nonlinear organic crystal OH1. An optical scheme of a multipass amplifier for the Cr : forsterite laser system is developed to increase the pulse energy to 2.2 mJ. The conversion efficiency for pump laser radiation at a wavelength of 1.24 μm into THz radiation is found to be to 2 %. An electric field strength of 3.5 MV cm{sup −1} is attained when focusing a THz beam into a near diffraction-limited spot. (terahertz radiation)
- OSTI ID:
- 23000296
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Journal Name: Quantum Electronics (Woodbury, N.Y.) Journal Issue: 6 Vol. 48; ISSN 1063-7818; ISSN QUELEZ
- Country of Publication:
- United States
- Language:
- English
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