Achromatic polarization-rotating right-angle prism system

Details Achromatic polarization-rotating right-angle prism system Achromatic polarization-rotating right-angle prism system

1996-04-22

1998-05-12

Shafer, Ricky D.

Optical: systems and elements

Polarization without modulation

Polarizarion by dichroism

359485, 359834, G02B 530, G02B 504

Patent

active

057514828

ABSTRACT:
An achromatic polarization-rotating right-angle prism system for rotating the plane of polarization of an electric field, E, by 90.degree. while maintaining strict linear polarization at all wavelengths. The direction of travel of the beam may be altered by 90.degree. or the beam may continue on in the same direction and along the same line of travel. One embodiment includes two pairs of right-angle isosceles prisms. The horizontal, H, and vertical components, V, of E each undergo an equal number of s- and p-polarized reflections.

REFERENCES:
patent: 4252410 (1981-02-01), Jain
patent: 4822150 (1989-04-01), Duarte
"How to Flip the Polarization of Infrared Laser Beams," Keilmann, Optics Communications, vol. 14, No. 2, Jun. 1975, pp. 236-237.
"Design of a high-power Nd:YAG Q-switched laser cavity," Singh et al., Applied Optics, vol. 34, No. 18, Jun. 20, 1995, pp. 3349-3351.
"Polarization flipper for infrared laser beams: comment," Klein, Applied Optics, vol. 16, No. 6, Jun. 1977, p. 1489.
"Novel Prism for use in Scanning Systems," Klein, Applied Optics, vol. 12, No. 3, Mar. 1973, pp. 616-617.
"Polarization flipper for infrared laser beams," Chraplyvy, Applied Optics, vol. 15, No. 9, Sep. 1976, pp. 2022-2023.
"Beam transmission characteristics of a collinear polarization rotator," Duarte, Applied Optics, vol. 31, No. 18, Jun. 20, 1992, pp. 3377-3378.

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