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- Title
Single-frequency coherent terahertz-wave generation using two Cr:forsterite lasers pumped using one Nd:YAG laser.
- Authors
Nishizawa, Jun-ichi; Sasaki, Tetsuo; Tanabe, Tadao; Hozumi, Norimitsu; Oyama, Yutaka; Suto, Ken
- Abstract
We have developed a compact terahertz-wave generator using two small Cr:forsterite lasers with single Nd:YAG laser pumping based on difference frequency generation in a GaP crystal. A Cr:forsterite laser was constructed with diffraction gratings, by which the pulse duration and delay time of the Cr:forsterite laser depend on the Cr:forsterite laser energy and the cavity length. The Cr:forsterite laser energy was tuned using the optical alignment and pumping energy. Temporal overlap of two Cr:forsterite laser pulses was realized at the GaP crystal. A single-frequency terahertz wave was generated at energy of 4.7 pJ around 2.95 THz using a 30-cm-long Cr:forsterite laser system.
- Publication
The Review of scientific instruments, 2008, Vol 79, Issue 3, p036101
- ISSN
0034-6748
- Publication type
Journal Article
- DOI
10.1063/1.2884926