Air gap prism and method for producing same

Details Air gap prism and method for producing same Air gap prism and method for producing same

1996-10-11

1999-05-04

Spyrou, Cassandra

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359832, 359833, 359900, G02B 2714, G02B 506

Patent

active

059009845

ABSTRACT:
An assembly method of an air gap prism which has an air gap between a first glass member and a second glass member, the assembly method having steps of setting a first glass member on a positioning member, setting a sheet member on the positioning member so as to cover the first glass member, setting a second glass member on the first glass member covered with the sheet member so as to sandwich the sheet member between the first glass member and the second glass member, and cutting a portion of the sheet member protruding from the first glass member and the second glass member.

REFERENCES:
patent: 2420606 (1947-05-01), McLeod et al.
patent: 2807922 (1957-10-01), Newcomer et al.
patent: 3704934 (1972-12-01), Holmes et al.
patent: 4084180 (1978-04-01), Stoffels et al.
patent: 4784469 (1988-11-01), Tsukada et al.
patent: 5625448 (1997-04-01), Ranalli et al.

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