Filter device employing a holographic element

Details Filter device employing a holographic element Filter device employing a holographic element

1988-12-16

1992-01-21

Bovernick, Rodney B.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359359, 359890, G02B 520, G02B 532

Patent

active

050823370

ABSTRACT:
A filter device 10 and method of making the same is disclosed. The device comprises holographic means 12 for diffracting optical radiation of a first predetermined range of wavelengths, and optical radiation filter means 14 for filtering optical radiation of a second predetermined range of wavelengths. The optical radiation filter means is coupled with the holographic means.

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