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Mount having high mechanical stiffness and tunable external cavity laser assembly including same

  • US 6,822,996 B1
  • Filed: 06/15/2002
  • Issued: 11/23/2004
  • Est. Priority Date: 06/15/2002
  • Status: Expired due to Term
First Claim
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1. A laser apparatus comprising:

  • a rigid unitary mount base;

    a gain medium rigidity mounted with respect to said mount base in a position defining a first end of an external cavity, said gain medium having first and second output facets;

    a reflector rigidity mounted with respect to said mount base in a position defining a second end of said cavity;

    at least one tuning element rigidly mounted with respect to said mount base in said external cavity between said gain medium and said reflector;

    a collimator rigidly mounted with respect to said mount base, between said first facet of said gain medium and said at least one tuning element; and

    an optical output assembly rigidly mounted to said mount base and optically coupled to said second facet of said gain medium;

    wherein the natural modes of vibration of said apparatus are above about 2 kHz.

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