Presentation 1997/5/12
A compact terahertz radiation source for high-resolution spectroscopy
Shuji Matsuura, Hajime Abe, Masahiko Tani, Kiyomi Sakai,
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Abstract(in English) We demonstrate the generation of continuous-wave terahertz radiation and apply this source to a molecular spectroscopy. The cw-THz radiation was generated by photomixing of two single-mode diode lasers in a low-temperature-grown GaAs photoconductive antenna. This source offers the output power of the order of 10 nW in the frequency range of 03-3 THz, and the linewidth of ~5 MHz, which is limited by the instability of the diode lasers. The transmission spectra of CO and CH_3CN molecules had been measured by using this source, and the 1 %-level absorption lines were clearly detected. The experimental results indicated that this source is useful for a high-resolution THz spectroscopy
Keyword(in Japanese) (See Japanese page)
Keyword(in English) cw-THz radiation / single-mode diode laser / photomixing / tunable source / high-resolution spectroscopy
Paper # LQE97-5
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Committee LQE
Conference Date 1997/5/12(1days)
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Registration To Lasers and Quantum Electronics (LQE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A compact terahertz radiation source for high-resolution spectroscopy
Sub Title (in English)
Keyword(1) cw-THz radiation
Keyword(2) single-mode diode laser
Keyword(3) photomixing
Keyword(4) tunable source
Keyword(5) high-resolution spectroscopy
1st Author's Name Shuji Matsuura
1st Author's Affiliation Kansai Advanced Research Center, Communications Research Laboratory, M.P.T()
2nd Author's Name Hajime Abe
2nd Author's Affiliation Kansai Advanced Research Center, Communications Research Laboratory, M.P.T
3rd Author's Name Masahiko Tani
3rd Author's Affiliation Kansai Advanced Research Center, Communications Research Laboratory, M.P.T
4th Author's Name Kiyomi Sakai
4th Author's Affiliation Kansai Advanced Research Center, Communications Research Laboratory, M.P.T
Date 1997/5/12
Paper # LQE97-5
Volume (vol) vol.97
Number (no) 35
Page pp.pp.-
#Pages 5
Date of Issue