Optical waveguides – With optical coupler – Input/output coupler
Patent
1991-02-12
1992-11-10
Lee, John D.
Optical waveguides
With optical coupler
Input/output coupler
385 31, 385 88, G02B 632
Patent
active
051631148
ABSTRACT:
Methods and apparatus for mode coupling a light beam into an optical cavity provide an input fiber pigtail with a fiber endface at one end of that input fiber pigtail. A cavity input aperture adapter is made integral with that input fiber pigtail at an opposite end of that input fiber pigtail for attachment to the housing of the optical cavity at its light input aperture. The input fiber pigtail is provided with a fiber input coupler integral with that input fiber pigtail at the above mentioned one end of the input fiber pigtail. That fiber input coupler has an integrated lens for focusing the light beam onto the fiber endface. The cavity input aperture adapter has a lens assembly for directing light from the above mentioned opposite end of the fiber pigtail into the input aperture of the optical cavity. Either the fiber input coupler or the cavity input aperture adapter may be omitted in different embodiments.
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Heartney Phan T.
Lee John D.
Newport Corporation
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