Mount having high mechanical stiffness and tunable external cavity laser assembly including same
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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Abstract
A laser apparatus wherein all optical components are mounted on a unitary, rigid base. Natural frequency modes of the apparatus are above about 2 kHz. Tuning elements in the apparatus may have natural frequencies greater than about 10 kHz.
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Citations
48 Claims
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1. A laser apparatus comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. An external cavity laser apparatus comprising:
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a gain medium;
a reflective element mounted in a position to define an external cavity between said reflective element and said gain medium;
means for tuning positioned in said external cavity;
an optical output assembly outside of said external cavity and optically coupled to said gain medium; and
a rigid unitary mount base, wherein each of said gain medium, reflective element, means for tuning, and optical output assembly are rigidly mounted with respect to said rigid unitary mount base, and wherein the natural modes of vibration of said apparatus are above about 2 kHz.
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42. An external laser cavity apparatus comprising:
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a gain medium;
a reflective element mounted in a position to define an external cavity between said reflective element and said gain medium;
a tuning element for tuning positioned in said external cavity;
an optical output assembly outside of said external cavity and optically coupled to said gain medium; and
a rigid unitary mount base, wherein each of said gain medium, reflective element, tuning element, and optical output assembly are rigidly mounted with respect to said rigid unitary mount base, and wherein the natural modes of vibration of said apparatus are above about 2 kHz.
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43. A rigid unitary mount base serving as a platform for an external cavity laser apparatus, said mount base comprising:
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a rigid, unitary plate of metal having a natural mode of vibration above about 2 kHz; and
at least one cradle extending form a surface of said plate, each said cradle having a curvilinear support dimensioned to interface with a substantial portion of a peripheral surface of an optical component to be mounted to said base. - View Dependent Claims (44, 45, 46, 47, 48)
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Specification