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    • Accelerometer (Inertial Sensor)
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Laboratory of Space Systems and Optomechanics

Texas A&M University College of Engineering

Optomechanical LASER


Optomechanical laser comprised of Vertical External Cavity Surface Emitting Laser (VESCEL) and low frequency monolithic resonator

Working:

  • This system integrates the laser onto the frame and test mass of the resonator.
  • An optical cavity comprised of at least two mirrors is required to create a laser. Out of these two, one mirror is attached to the fixed frame of the resonator, whereas the other mirror is attached to the dynamic test mass.
  • As the test mass moves, the length of the cavity changes also. When the cavity of a laser changes length, the wavelength of the light that is emitted changes proportional to that length change.
  • By measuring the output wavelength of the laser, we can determine cavity length change, and therefore the displacement of the test mass.

Results:

  • This system has already produced results that prove the concept of encoding low-frequency motion into the output wavelength.

Application:

  • This system has applications in inertial sensing and gravimetry.

Researchers Involved:

  • Adam Hines
  • Felipe Guzman

Relevant Publications:

  • Optomechanical lasers for inertial sensing – H Wisniewski, L Richardson, A Hines, A Laurain, F Guzman

  • Home
  • About Us
  • Research
    • Accelerometer (Inertial Sensor)
    • Optomechanical resonator
    • Interferometer
  • Application
    • Gravitational Wave Detection
    • Space geodesy & Planet Exploration
    • Inertial Navigation System (GF-INS)
  • Group Members
  • Publications
  • Test facilities
  • Employment

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