Achromatic prism beam expander for high magnification and tunable laser using same
Patent
·
OSTI ID:5150152
This paper discusses an apparatus. It comprises prisms, all of the prisms having an apex at which a plane defined by an incidence side of the prism and a plane defined by an exit side of the prism intersect at an apex angle; means for securing the prisms to define an optical path, so that a laser beam in a first segment of the optical path entering the incidence side of a first prism in a second segment of the optical path; and the laser beam in the second segment is expanded after passing through the prisms with respect to the laser beam in the first segment by more than 100 times in one dimension.
- Assignee:
- Spectra-Physics, Inc., Mountain View, CA (USA)
- Patent Number(s):
- A; US 4972429
- Application Number:
- PPN: US 7-273228
- OSTI ID:
- 5150152
- Country of Publication:
- United States
- Language:
- English
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