Microcomputer Aided Frequency Stabilization of He-Ne Laser at Absorption Line of 127I2
A new servo-control system is described which employs a 16-bits microcomputer for stabilizing a frequency of 633 nm He-Ne laser on one of hyperfine components of an absorption line of 127I2. The computer controls the laser to do frequency scanning, finds a specified component and stabilizes the freq...
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Published in | Rēzā kenkyū Vol. 13; no. 12; pp. 965 - 973 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Suita
The Laser Society of Japan
1985
Laser Society of Japan |
Online Access | Get full text |
ISSN | 0387-0200 1349-6603 |
DOI | 10.2184/lsj.13.965 |
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Abstract | A new servo-control system is described which employs a 16-bits microcomputer for stabilizing a frequency of 633 nm He-Ne laser on one of hyperfine components of an absorption line of 127I2. The computer controls the laser to do frequency scanning, finds a specified component and stabilizes the frequency of the laser on the component. The computer controls an A/D converter to repeat sampling, which takes 16 sample values at each sampling, from the third derivative of the laser output, and processes them to find the absorption signal and to stabilize the laser. The experiment shows that the stability of the laser is 2.4×10-10 which is evaluated by a variance of the frequency fluctuation. |
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AbstractList | A new servo-control system is described which employs a 16-bits microcomputer for stabilizing a frequency of 633 nm He-Ne laser on one of hyperfine components of an absorption line of 127I2. The computer controls the laser to do frequency scanning, finds a specified component and stabilizes the frequency of the laser on the component. The computer controls an A/D converter to repeat sampling, which takes 16 sample values at each sampling, from the third derivative of the laser output, and processes them to find the absorption signal and to stabilize the laser. The experiment shows that the stability of the laser is 2.4×10-10 which is evaluated by a variance of the frequency fluctuation. |
Author | KAWABATA, Shoichi TANAKA, Keiichi |
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Copyright | The Laser Society of Japan Copyright Japan Science and Technology Agency 1985 |
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References | 12) 田中: レーザーと計測, 極限への挑戦 (共立出版, 1984) 53. 15) A. Morinaga and K. Tanaka: Appl. Phys. Lett. 32 (1978) 114. 1) Editor: Metrologia 19 (1984) 163. 7) J. Helmcke und F. Bayer-Helms: Metrologia 10 (1974) 69. 4) G. R. Hanes and C. E. Dahlstrom: Appl. Phys. Lett. 14 (1969) 362. 8) 田中, 桜井, 黒沢: 計測自動制御学会論文集, 10 (1974) 669. 14) Y. Akimoto: J. Phys. E: Sci. Instrum. 17 (1984) 936. 11) K. Tanaka, T. Sakurai and T. Kurosawa: Proc. ICD-11 Conf. Madrid (1978) 471, Bull. National Research Lab. Metrology, No.40 (1979) 32. 9) K. Tanaka, T. Sakurai, and T. Kurosawa: Jpn. J. Appl. Phys. 16 (1977) 2071. 13) R. De Setio, G. A. Ruff and William H. Wing: IEEE J. Quantum Electron. QE-20 (1984) 140. 2) 清野: 精密機械, 50 (1984) 1173. 5) A. J. Wallard: J. Phys. E. Scien. Instrum . 5 (1972) 926. 10) N. R. Goulty, G. C. P. King and A. J. Wallard: Geophys. J. R. astr. Soc. 39 (1974) 39. 3) G. R. Hanes and K. M. Baird: Metrologia 5 (1969) 32. 6) W. G. Schweitzer, Jr., E. G. Kessler, Jr., R. D. Deslattes, H. P. Layer and R. G. Westone: Appl. Opt. 12 (1973) 2927. |
References_xml | – reference: 14) Y. Akimoto: J. Phys. E: Sci. Instrum. 17 (1984) 936. – reference: 3) G. R. Hanes and K. M. Baird: Metrologia 5 (1969) 32. – reference: 2) 清野: 精密機械, 50 (1984) 1173. – reference: 10) N. R. Goulty, G. C. P. King and A. J. Wallard: Geophys. J. R. astr. Soc. 39 (1974) 39. – reference: 11) K. Tanaka, T. Sakurai and T. Kurosawa: Proc. ICD-11 Conf. Madrid (1978) 471, Bull. National Research Lab. Metrology, No.40 (1979) 32. – reference: 13) R. De Setio, G. A. Ruff and William H. Wing: IEEE J. Quantum Electron. QE-20 (1984) 140. – reference: 8) 田中, 桜井, 黒沢: 計測自動制御学会論文集, 10 (1974) 669. – reference: 6) W. G. Schweitzer, Jr., E. G. Kessler, Jr., R. D. Deslattes, H. P. Layer and R. G. Westone: Appl. Opt. 12 (1973) 2927. – reference: 15) A. Morinaga and K. Tanaka: Appl. Phys. Lett. 32 (1978) 114. – reference: 5) A. J. Wallard: J. Phys. E. Scien. Instrum . 5 (1972) 926. – reference: 1) Editor: Metrologia 19 (1984) 163. – reference: 7) J. Helmcke und F. Bayer-Helms: Metrologia 10 (1974) 69. – reference: 4) G. R. Hanes and C. E. Dahlstrom: Appl. Phys. Lett. 14 (1969) 362. – reference: 12) 田中: レーザーと計測, 極限への挑戦 (共立出版, 1984) 53. – reference: 9) K. Tanaka, T. Sakurai, and T. Kurosawa: Jpn. J. Appl. Phys. 16 (1977) 2071. |
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Title | Microcomputer Aided Frequency Stabilization of He-Ne Laser at Absorption Line of 127I2 |
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