Single-frequency coherent terahertz-wave generation using two Cr:forsterite lasers pumped using one Nd:YAG laser

被引：6

作者：

Nishizawa, Jun-ichi ^{[2
,3
]}

Sasaki, Tetsuo ^{[2
,3
]}

Tanabe, Tadao ^{[1
]}

Hozumi, Norimitsu ^{[1
]}

Oyama, Yutaka ^{[1
]}

Suto, Ken ^{[2
,3
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Mat Sci, Sendai, Miyagi 9808579, Japan

[2] Semicond Res Inst, Aoba Ku, Sendai, Miyagi 9800845, Japan

[3] Semicond Res Inst, Aoba 5191176, Japan

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2008年 / 79卷 / 03期

关键词：

17;

D O I：

10.1063/1.2884926

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

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. (C) 2008 American Institute of Physics.

引用

页数：3

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