Beam combining and separating apparatus useful for combining and

Details Beam combining and separating apparatus useful for combining and Beam combining and separating apparatus useful for combining and

1982-09-09

1985-12-31

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369121, 369110, 350172, 350174, G11B 700, G02B 2710, G02B 2714

Patent

active

045625689

ABSTRACT:
Optical apparatus is disclosed for spatially combining and/or separating a plurality of reading and writing laser beams as required, for example, in an optical memory system. The apparatus includes a spatial combining and separating device comprising a thin transparent element which is provided with reflective and anti-reflective coatings and an appropriately located opening in a manner so as to permit the original and reflected writing beams to pass through the device without change in direction while the original and reflected reading beams are reflected from the device in predetermined directions.

REFERENCES:
patent: 2504982 (1950-04-01), Hunter
patent: 3638013 (1972-01-01), Keller
patent: 3668406 (1972-06-01), Reid et al.
patent: 4041530 (1977-08-01), Kramer et al.
Makosch et al, "Interforometric Method for Step Height Measurements on Surfaces with Variable Tilts", IBM Technical Disclosure Bulletin, vol. 23, No. 4, Sep., 1980, pp. 1485-1486.

Affiliated with

Also associated with

Rating

Beam combining and separating apparatus useful for combining and does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Beam combining and separating apparatus useful for combining and, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Beam combining and separating apparatus useful for combining and will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1028398