Polarizing device and laser unit

Details Polarizing device and laser unit Polarizing device and laser unit

2011-07-12

2011-07-12

Shafer, Ricky D (Department: 2872)

Optical: systems and elements

Polarization without modulation

Polarization by reflection or refraction

C359S485060, C359S489070

Reexamination Certificate

active

07978408

ABSTRACT:
A polarizing device for converting a circularly polarized light beam into a radial polarized light beam, wherein the circularly polarized light beam is obtained by passing a linearly polarized light beam oscillated from a laser oscillator through a quarter-wave plate. The polarizing device includes an axicon lens having a conical surface and a dielectric film formed on the conical surface of the axicon lens.

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