Acoustooptic mode-locker frequency doubler
Patent 3947780 Issued on March 30, 1976. Estimated Expiration Date: 
March 30, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 30, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3611231 3648193 InventorsApplicationNo. 516409 filed on 10/21/1974US Classes:372/18, Mode locking372/22, Frequency multiplying (e.g., harmonic generator)372/34, PARTICULAR TEMPERATURE CONTROL372/99ReflectorExaminersPrimary: Sikes, William L.Attorney, Agent or FirmAbstractAn improved laser construction having relatively simple single element means located in the laser cavity for simultaneously mode-locking and frequency doubling the laser output, said single element means including a crystal such as a non-linear barium sodium niobate (BSN) crystal properly excited to achieve acoustooptic loss modulation as well as to mode-lock the laser output, and means for locating the crystal within the laser resonator cavity. | |
