抄録
Optical sensing technology with laser interferometry have been used in industrial metrology. Usually, frequency stabilized lasers have been used for the accurate measurement of length or surface roughness. (1’ However, the length reference of the laser inter-ferometer is the wavelength of light, so optical measurements with a frequency stabilized laser have the disadvantage that the error induced by fluctuations in the refractive index of air must be compensated for. A wavelength stabilized optical source with a laser diode(LD) is proposed for distance measurements, and a compact, precise light source developed using an air-gap etalon as a length reference (wavelength reference). (2) A new and simple method to control the wavelength has been devised, and spectral linewidth reduced simultaneously using this method. Important characteristics of the optical source are wavelength stability and narrow spectral linewidth. Experimental results for wavelength stability were 3x10-9 estimated from the square root of the Allan variance(integration time T is 10 sec). Experimental results for spectral linewidth were 700KHz(with feedback) and 10 MHz(free running). Satisfactory results were obtained for the other characteristics(output power and point stability).
| 元の言語 | English |
|---|---|
| ページ（範囲） | 99-106 |
| ページ数 | 8 |
| ジャーナル | Proceedings of SPIE - The International Society for Optical Engineering |
| 巻 | 1162 |
| DOI | |
| 出版物ステータス | Published - 1990 4 25 |
| 外部発表 | Yes |
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ASJC Scopus subject areas
- Applied Mathematics
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering
- Computer Science Applications
これを引用
Development of a wavelength stabilized optical source with a laser diode. / Isozaki, Katsumi; Watari, Masahiro; Ogita, Eigi; Ikezawa, Katsuya; Ueda, Toshitsugu.
：: Proceedings of SPIE - The International Society for Optical Engineering, 巻 1162, 25.04.1990, p. 99-106.研究成果: Article
}
TY - JOUR
T1 - Development of a wavelength stabilized optical source with a laser diode
AU - Isozaki, Katsumi
AU - Watari, Masahiro
AU - Ogita, Eigi
AU - Ikezawa, Katsuya
AU - Ueda, Toshitsugu
PY - 1990/4/25
Y1 - 1990/4/25
N2 - Optical sensing technology with laser interferometry have been used in industrial metrology. Usually, frequency stabilized lasers have been used for the accurate measurement of length or surface roughness. (1’ However, the length reference of the laser inter-ferometer is the wavelength of light, so optical measurements with a frequency stabilized laser have the disadvantage that the error induced by fluctuations in the refractive index of air must be compensated for. A wavelength stabilized optical source with a laser diode(LD) is proposed for distance measurements, and a compact, precise light source developed using an air-gap etalon as a length reference (wavelength reference). (2) A new and simple method to control the wavelength has been devised, and spectral linewidth reduced simultaneously using this method. Important characteristics of the optical source are wavelength stability and narrow spectral linewidth. Experimental results for wavelength stability were 3x10-9 estimated from the square root of the Allan variance(integration time T is 10 sec). Experimental results for spectral linewidth were 700KHz(with feedback) and 10 MHz(free running). Satisfactory results were obtained for the other characteristics(output power and point stability).
AB - Optical sensing technology with laser interferometry have been used in industrial metrology. Usually, frequency stabilized lasers have been used for the accurate measurement of length or surface roughness. (1’ However, the length reference of the laser inter-ferometer is the wavelength of light, so optical measurements with a frequency stabilized laser have the disadvantage that the error induced by fluctuations in the refractive index of air must be compensated for. A wavelength stabilized optical source with a laser diode(LD) is proposed for distance measurements, and a compact, precise light source developed using an air-gap etalon as a length reference (wavelength reference). (2) A new and simple method to control the wavelength has been devised, and spectral linewidth reduced simultaneously using this method. Important characteristics of the optical source are wavelength stability and narrow spectral linewidth. Experimental results for wavelength stability were 3x10-9 estimated from the square root of the Allan variance(integration time T is 10 sec). Experimental results for spectral linewidth were 700KHz(with feedback) and 10 MHz(free running). Satisfactory results were obtained for the other characteristics(output power and point stability).
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UR - http://www.scopus.com/inward/citedby.url?scp=84958490411&partnerID=8YFLogxK
U2 - 10.1117/12.962737
DO - 10.1117/12.962737
M3 - Article
AN - SCOPUS:84958490411
VL - 1162
SP - 99
EP - 106
JO - Proceedings of SPIE - The International Society for Optical Engineering
JF - Proceedings of SPIE - The International Society for Optical Engineering
SN - 0277-786X
ER -