Optical isolator
Abstract
Abstract AN OPTICAL ISOLATOR FOR DEVICES THAT EMIT COHERENT ELECTROMAGNETIC RADIATION BY STIMULATED EMISSION OF RADIATION, COMRISING: (A) MEANS, INCLUDING A PRISM HAVING A PREDETERMINED PATH FOR COHERENT RADIATION AT A GIVEN WAVE LENTH, (B) A REFLECTIVE SURFACE OF SAID PRISM IN SAID PATH, (C) A SUPPORT MEMBER HOLDING SAID PRISM, (D) AN ELECTROSTRICTIVE MEMBER HAVING FIRST AND SECOND PARALLEL SURFACES MOUNTED ON SAID SUPPORT MEMBER, SAID FIRST AND SECOND SURFACES BEING PARALLEL TO SAID REFLECTIVE SURFACE, (E) AN ABSORBER MOUNTED ON ONE OF SAID PARALLEL SURFACES OF SAID ELECTROSTRICTIVE MEMBER ADJACENT SAID REFLECTIVE SURFACE, (F) AN ACOUSTICAL TERMINATION MEMBER MOUNTED ON STRICTIVE MEMBER, AND (G) MEANS COUPLED TO SAID ELECTROSTRICTIVE MEMBER TO MOVE SAID BETWEEN ONE-TENTH AND ONE AND ONE-QUARTER OF SAID GIVEN WAVE LENGTH OF SAID REFLECTIVE SURFACE TO VARY THE REFLECTANCE FROM SAID REFLECTIVE SURFACE.
Inventors
- 👤 Donald J Parker
- 👤 Edward Kornstein
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |