1
David M Bloom, Asif A Godil: Display device incorporating one-dimensional grating light-valve array. Silicon Light Machines, R Russel Austin, Haverstock & Owens, November 9, 1999: US05982553 (390 worldwide citation)

A display system for providing a two dimensional image includes an essentially one dimensional light valve array. The diffractive light valve array includes modulator elements which diffract or reflect light incident thereon to an extent determined by an image element to be represented. The display ...


2
Asif A Godil, David M Bloom: Micromechanical light steering optical switch. Lightconnect, Wilson Sonsini Goodrich & Rosati, July 31, 2001: US06268952 (60 worldwide citation)

An optical switch uses a micromachined adjustable phase hologram device to route optical signals from an input fiber to selected output fibers is described. The adjustable phase hologram includes a large number of micromachined reflective ribbons which can be individually controlled and adjusted to ...


3
Gordon S Kino, Guo Q Xiao, Butrus T Khuri Yakub, David B Patterson, Asif A Godil: Acousto-optic modulator for optical fibers using Hertzian contact with a grooved transducer substrate. Board of Trustees of the Leland Stanford Junior University, Knobbe Martens Olson & Bear, February 12, 1991: US04991923 (60 worldwide citation)

An acousto-optic device which is incorporated into a fiber optic system to define, based upon device configuration, an element such as a phase modulator, optical tap, frequency shifter or mode coupler. The device comprises an acoustic transmission member having a groove therein which is secured in t ...


4
Benjamin Wai ho Chui, Timothy Stowe, Asif A Godil: Method and apparatus for device linearization. LightConnect, James E Eakin, January 6, 2004: US06674563 (52 worldwide citation)

Various embodiments are disclosed of apparatuses and methods for linearization. A linearized signal can control, for example, a microelectromechanical device, a microelectromechanical device, and/or a device controlling a modulated intensity of electromagnetic energy. Some embodiments include linear ...


5
Michael L Bortz, Asif A Godil: Simple, low cost, laser absorption sensor system. New Focus, Beyer & Weaver, March 21, 2000: US06040914 (47 worldwide citation)

A laser absorption sensor system for performing optical measurements on a sample is described. The sensor system includes a tunable laser, capable of being tuned at rates exceeding 1 KHZ, and with a tuning range approaching 1 GHz. The laser beam is modulated at a modulation frequency between 1 and 1 ...


6
David M Bloom, Asif A Godil: Display system including an image generator and movable scanner for same. Silicon Light Machines, R Russel Austin, June 9, 1998: US05764280 (38 worldwide citation)

A display device includes a plurality of modulatable light sources providing a one-dimensional array of display-elements, and a scanning unit, carried or worn by the user, which causes the user to perceive the array as a two-dimensional image. The scanning unit is movable with respect to the array w ...


7
Asif A Godil, David M Bloom: Achromatic optical modulators. Wilson Sonsini Goodrich & Rosati, January 2, 2001: US06169624 (37 worldwide citation)

Micromachined grating modulators which exhibit achromatic behavior are described. One embodiment includes narrow and wide ribbons suspended above a substrate and alternatingly interleaved with each other. Narrow and wide reflective surfaces are formed on the narrow and wide ribbons. Compensating ref ...


8
Asif A Godil, David M Bloom: Dynamic spectral shaping for fiber-optic application. LightConnect, James E Eakin, November 30, 2004: US06826330 (21 worldwide citation)

The present invention is directed towards dynamic spectral shaping. Using a grating, the spectral band is spread across a MEMS or other suitable device array. The device may be the deformable grating modulator invented by Bloom et. al. (U.S. Pat. No. 5,311,360) or other suitable device. The inventio ...


9
Hiroki Kikuchi, Asif A Godil, Michio Oka: Continuous-wave ultraviolet laser light generating apparatus. Sony Corporation, Hill Steadman & Simpson, April 15, 1997: US05621744 (14 worldwide citation)

A continuous-wave ultraviolet laser light generating apparatus includes a laser light source unit (1) for generating laser light from visible light to near-infrared light, a wavelength converting means (4) which includes an optical resonator (2) and a wavelength convertor (3) disposed in the optical ...


10
Timothy D Stowe, Jocelyn Nee, Asif A Godil: Optical steering element and method. LightConnect, Morrison Ulman, July 3, 2007: US07239774 (8 worldwide citation)

A 1√óN wavelength selective switch which can function as a dynamic channel equalizer when N=1. In an exemplary arrangement, the present invention is a free-space device that includes a linear array of micromachined reflective elements for beam steering of individual wavelength channels. In at least s ...