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Compression-tuned bragg grating and laser

  • US 6,229,827 B1
  • Filed: 12/06/1999
  • Issued: 05/08/2001
  • Est. Priority Date: 12/04/1998
  • Status: Expired due to Term
First Claim
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1. A compression-tuned optical device, comprising:

  • a tunable optical element, having outer dimensions along perpendicular axial and transverse directions, said outer dimension being at least 0.3 mm along said transverse direction;

    said tunable optical element receiving and propagating input light and having at least one reflective element disposed therein along said axial direction, said reflective element reflecting a reflection wavelength of said input light;

    at least a portion of said tunable element having a transverse cross-section which is contiguous and comprises a substantially homogeneous material; and

    said reflective element being axially strain compressed so as to change said reflection wavelength without buckling said tunable element in said transverse direction thereby tuning said optical device.

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