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Robert D Standley, 85Shrewsbury, NJ

Robert Standley Phones & Addresses

Shrewsbury, NJ   

52 Eastport Ct, Red Bank, NJ 07701    732-8424950   

52 Eastport Ct, Red Bank, NJ 07701    732-3008036   

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Robert D Standley



Position: Construction and Extraction Occupations


Degree: Graduate or professional degree



Mentions for Robert D Standley



Robert Standley Photo 1

Director Of Maintenance Training At Flightsafety International

United States


Us Patents

Optical Signal Processing Devices

US Patent:
4142775, Mar 6, 1979
Sep 27, 1976
Appl. No.:
Vellayan Ramaswamy - Lincroft NJ
Robert D. Standley - Shrewsbury NJ
Bell Telephone Laboratories, Incorporated - Murray Hill NJ
International Classification:
G02B 514
US Classification:
350 9614
Optical signal processing devices, primarily intended for use in integrated optical communication systems, include 3 dB coupled strip guide directional couplers. Each coupler is formed in a body of electrooptic material and includes electrodes bracketing at least one of the guides in the coupled region. Each coupler is fabricated so as to be overcoupled (i. e. , greater than 3 dB coupling) when the coupling is synchronous. Voltage bias, supplied to the electrodes of each coupler, produces sufficient asynchronism to independently adjust each coupler to the desired 3 dB coupling condition. Permutation switches are produced by including a switchable phase shifter between two couplers. Channel drop filters are produced by including reflection gratings between two couplers. Differential phase detectors, for a pulse code modulation system, are produced by including a selected path length difference between the two strip guides connecting two couplers. A photolithographic technique for producing the required electrodes in precise registry with the strip guide couplers (typically characterized by 3 micrometer spacings) includes the use of the primary strip guide mask and a secondary mask to produce a photolithographic mask for defining the electrodes.

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