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| Number | Title | Issue Date |
| 4545642 | Prism coupler device for an optical waveguide A prism coupler for coupling light into and out of an optical waveguide and characterized by the temperature dependency being eliminated. This is accomplished by a skillful selection of the prism angle and the prism material of a single prism or by combin... | 10/08/1985 |
| 4529264 | Device for sharp-edge illumination of an observation field lying in a preselectable plane A device for sharp-edge uniform illumination of an observation field lying in a preselectable plane is adapted to utilize light from a remote source, via a flexible fiber-optic connection having a glass-rod termination for producing a uniformly illuminate... | 07/16/1985 |
| 4496211 | Lightpipe network with optical devices for distributing electromagnetic radiation Optical transmission devices suitable for use in constructing lightpipe networks are disclosed. The optical transmission devices include an optical coupler arrangement (1, 34, 72, 73) for connecting a lightpipe to other optical transmission or utilization... | 01/29/1985 |
| 4470662 | Rotary optic switch A rotary optic switch for alternatively coupling a single light path to any one of a plurality of other light paths upon the relative rotation of a light deflecting means. A first deflecting means deflects light from a first radial path to an axial path. ... | 09/11/1984 |
| 4432601 | Apparatus and method for coupling and decoupling of optical fiber waveguides An apparatus and method for coupling and decoupling of optical radiation, in particular for laser light in optical fiber waveguides. The optical fiber waveguides are positioned in V-grooves and brought to a beam splitter. The beam splitter is adjusted by ... | 02/21/1984 |
| 4420219 | Optical waveguide connector using aspheric lenses A device for connecting first and second light guides to an external part. Each of the light guides extend into a housing which includes a converging aspheric plano-convex lens. The lenses are mounted so that the focal point of the lens is located at the ... | 12/13/1983 |
| 4413879 | Method and apparatus for side launch excitation of selected modes in graded-index optical fibers An optical fiber having a parabolic-index profile is etched to a taper below the cladding layer. A prism contacts the taper along its length within the etched portion of the fiber, and coherent light is transmitted through the prism into the fiber. Select... | 11/08/1983 |
| 4412720 | Optical system coupling a rectangular light source to a circular light receiver A light source of rectangular outline, such as a semiconductor laser, is coupled to a light receiver of circular outline to be illuminated thereby, such as an end of an optical fiber, by an anamorphotic system including a pair of spherical lenses and an a... | 11/01/1983 |
| 4400054 | Passive optical coupler Disclosed is an optical data bus employing a passive optical coupler. The optical coupler includes a scrambler rod which is rectangular in cross section and employs solid substantially inflexible side arms which are also rectangular in cross section. The ... | 08/23/1983 |
| 4398795 | Fiber optic tap and method of fabrication A low-loss fiber optic tap is fabricated by mounting a portion of an optical fiber with epoxy resin along the curved surface of a solid support form. After curing of the epoxy, a planar surface extending partially into and along the fiber is established b... | 08/16/1983 |
| 4398794 | Dual directional tap coupler A low-loss fiber optic tap coupler including an optical fiber mounted and adhered to a curved surface and having a clad single fiber core, a planar surface extending partially into and along the fiber through the cladding, a prism mounted on the surface h... | 08/16/1983 |
| 4372644 | Strip diode laser with reactance free fiber output A strip diode laser having an optical fiber output free of reactive effects in that an element is inserted between the input of the transmission fiber and output of the laser with the element being one which converts the linearly polarized wave at the las... | 02/08/1983 |
| 4343532 | Dual directional wavelength demultiplexer A dual directional, wavelength demultiplexer including an optical fiber mounted and adhered to a curved surface having a clad single-fiber core, a planar surface extending partially into and along the fiber through the cladding, a prism mounted on the sur... | 08/10/1982 |
| 4335933 | Fiber optic wavelength demultiplexer An optical fiber wavelength demultiplexer including an optical fiber mounted and adhered to a curved surface having a clad single fiber core, a planar surface extending partially into and along the fiber through the cladding, a prism mounted on the surfac... | 06/22/1982 |
| 4317614 | Fiber optic bus manifold A bus manifold utilizing master and slave terminals wherein a single data bus transmits master terminal signals to the slave terminals continuously and simultaneously with transmission from one of the slave terminals. The system uses a single-optical-fibe... | 03/02/1982 |
| 4314283 | Diffraction based light collector A light collector is provided for collecting light reflected from an information-bearing surface. In one embodiment, used in a flying spot scanning system, a generally cylindrical rod is placed adjacent the information bearing surface, the rod having phot... | 02/02/1982 |
| 4294509 | Optical circulators An optical circulator in which a cubic prism for a signal coupler, a lens-like magneto-optic structure, and a reflecting structure are utilized as important constituents acts a role of circulation in optical region. Basic features of the optical circulato... | 10/13/1981 |
| 4252404 | System for transmitting and receiving plural messages via a single fiber-optical path Several monochromatic light beams of different wavelengths, modulated with respective message signals, are combined at a transmitting station into a composite beam conveyed via a fiber-optical path to a receiving station where the composite beam is resolv... | 02/24/1981 |
| 4215924 | Method to control introduction of diffracted beam by means of diffraction element According to the present invention in the image forming light path a direction-selective diffraction element is provided in such a manner that the image forming beam having entered into said diffraction element is diffracted by means of the diffraction gr... | 08/05/1980 |
| 4152045 | Optical waveguide with prism coupler for parallel light Couplers for coupling achromatic light having wavelengths of blue through red to and from an optical film waveguide along collinear paths parallel with the waveguide. Each coupler is constituted by a prism made of a material which, over the range of wavel... | 05/01/1979 |
| 4109998 | Optical sliprings Optical slip rings are disclosed which permit signals to be transferred from a rotating body to a non-rotating body without any physical contact. Fiber optic bundles are utilized to conduct light signals on one body to separate fiber optic bundles on the ... | 08/29/1978 |
| 4089584 | Multiple station multiplexed communications link employing a single optical fiber A single optical fiber having a core with at least one planar side is arranged in an open loop configuration to form a bus which is run between a plurality of communications stations to be served. The legs of the loop are placed side by side to form a pai... | 05/16/1978 |
| 4059338 | Integrated optical waveguide coupler An integrated optical waveguide coupler for coupling energy in one direction to illuminate an optical stylus tip and for carrying energy received by said tip in the opposite direction to a remote transducer. The integrated coupler includes a substrate com... | 11/22/1977 |
| 4052120 | Optical apparatus for producing a light curtain An optical apparatus for producing a light curtain using a fibre optic rod with a sawtooth mirror disposed along the face away from the curtain area.... | 10/04/1977 |
| 4027946 | Acousto-optic guided-light beam device An acousto-optic guided-light beam deflector of improved bandwidth utilizes at least two tilted surface acoustic waves of different frequency which are launched and phased such that the Bragg diffracted light from each surface wave interferes constructive... | 06/07/1977 |
| 4012147 | Slit-less spectrometer The use of an optical fiber for providing a point source of radiation at the entrance of a spectrometer obviates the necessity for an entrance slit at the input end of the device. Improved optical imaging at decreased expense is achieved.... | 03/15/1977 |
| 3990059 | Magnetic bubble detector A magnetic bubble detector comprising a planar layer of magnetic material in which magnetic bubble domains can be moved and a thin planar film on one surface of that layer. The layer has a magnetization perpendicular to the plane of the layer while the fi... | 11/02/1976 |
| 3944326 | Waveguide A waveguide for submillimeter and infrared wavelength range electromagnetic radiation comprises a metal grating with a grating constant criterion: ##EQU1## BEING GREATER THAN (2/λ)2, WHERE λ IS WAVELENGTH OF AN ELECTROMAGNETIC WAVE PROPA... | 03/16/1976 |
