Polarization separating/synthesizing element and optical...

Details Polarization separating/synthesizing element and optical... Polarization separating/synthesizing element and optical...

2006-03-07

2006-03-07

Boutsikaris, Leonidas (Department: 2872)

Optical: systems and elements

Polarization without modulation

Polarization using a time invariant electric, magnetic, or...

C359S487030, C359S490020, C359S490020, C385S011000, C385S016000

Reexamination Certificate

active

07009767

ABSTRACT:
A polarized-light separating/combining element is obtained which can suppress deviation in a direction of rays (angular error), reduce beam coupling loss and improve extinction ratio. Size reduction and loss lowering is achieved for an optical device (optical circulator or optical switch), to enable manufacture at a low cost and with ease. A polarized-light separating/combining element has a transparent member having flat surfaces parallel with each other on which both parallel surfaces, polarized-light separating/combining films are formed respectively, wherein both polarized-light separating/combining films are faced to air. By using the polarized-light separating/combining element, various kinds of optical devices (optical circulators or optical switches) can be formed. Particularly, it is effective for realizing a low crosstalk characteristic in a matrix optical switch.

REFERENCES:
patent: 4641926 (1987-02-01), Shirasaki
patent: 5212594 (1993-05-01), Joynes
patent: 5748369 (1998-05-01), Yokota
patent: 6449089 (2002-09-01), Moshrefzadeh et al.
patent: 6798938 (2004-09-01), Cao
patent: 2003/0021519 (2003-01-01), Zalevsky et al.
patent: 2076994 (1981-12-01), None
patent: 10-31111 (1989-02-01), None
patent: 02013922 (1990-01-01), None
patent: 06324289 (1994-11-01), None

Affiliated with

Also associated with

Rating

Polarization separating/synthesizing element and optical... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polarization separating/synthesizing element and optical..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polarization separating/synthesizing element and optical... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3574430