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FREQUENCY STABILIZED AND HOMODYNE LASER DIODE

Thanh Tung Vu, Yoshitaka Maeda, Masato Aketagawa
  • Abstract:
    A displacement measurement with an uncertainty of less than sub-nanometer is required in many industrial fields. A laser interferometer has become a powerful tool in nano-metrology, because the wavelength of the light source can be calibrated by meter definition. In this paper, we propose the use of sinusoidal phase (frequency) modulation on a laser diode (LD) to achieve both the frequency stabilization of the LD and a displacement measurement by a homodyne interferometer.
  • Keywords:
    frequency stabilization, laser diode, iodine, homodyne interferometer
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  • DOI:
    _unreg_tc14-2014.64

Event details:

  • IMEKO TC:
    TC14
  • Event name:
    TC14 LMPMI Symposium 2014
  • Title:

    11th Symposium on Laser Metrology for Precision Measurement and Inspection in Industry

  • Place:
    Tsukuba, JAPAN
  • Time:
    03 September 2014 - 05 September 2014