Assignee: New Focus, Inc.

Location: SantaClara, CA
No. of patents: 25

Browse patents
Browse applications

Number	Title	Issue Date
6597449	Real time process control of optical components using linearly swept tunable laser A system and method for real time process control, using a linearly swept tunable laser, which allows high speed in-situ monitoring and control of wavelength-specific properties of optical components. The invention comprises scanning an optical component ...	07/22/2003
6493365	Passive thermal stabilization of the optical path length in a tunable laser The present invention provides an apparatus for passively stabilizing the optical pathlength in tunable lasers. Lasers stabilized using the passive stabilization apparatus exhibit reduced mode hop and increased wavelength stability during temperature vari...	12/10/2002
6373604	Optical MUX/DEMUX A method and apparatus for multiplexing/de-multiplexing optical signals is disclosed. The disclosed devices do not require active components. The devices may be used on their own or as part of a larger system such as a multi-stage mux/demux, an optical sw...	04/16/2002
6363190	Polarization insensitive fused fiber coupler method and apparatus Disclosed is a fiber optic coupler which includes a fused, stretched, and twisted biconical tapered region; a first pair of fiber pigtail ends extending from a first end of said biconical tapered region; a second pair of fiber pigtail ends extending from ...	03/26/2002
6304586	Method and apparatus for modulating a tunable laser The present invention provides an optical signal generator for use in calibrating and testing optical components. The optical signal generator utilizes a tunable laser in conjunction with a novel modulation circuit to output an analog/digital optical sign...	10/16/2001
6266196	Multi-position optic mount A multi-position optic mount is disclosed which provides for automatic movement of an optic element between an engaged position, in which the optic element intersects an optical path, and a disengaged position, in which the optic element avoids an optical...	07/24/2001
6174102	Modular motion stages utilizing interconnecting elements A modular approach to the design of motion modules, e.g., positioning elements, is provided. Thus, a single positioning element can be integrated into a number of multi-axis configurations through combination with other basic positioning elements all of w...	01/16/2001
6175448	Optical circulators using beam angle turners An apparatus for optically circulating light beams between ports is disclosed, with a first port positioned at a proximal end of the apparatus, a second port positioned at a distal end of the apparatus, and a third port positioned at the proximal end of t...	01/16/2001
6108355	Continuously-tunable external cavity laser The present invention provides an external cavity laser that has wide-range continuous tuning and is compatible with a compact, robust, inexpensive form factor. In an embodiment of the invention a tunable external cavity laser is disclosed. The laser incl...	08/22/2000
6052228	Compact polarization insensitive circulators with simplified structure and low polarization mode dispersion Optical circulators including a first beam displacer/combiner, a first nonreciprocal rotator, a first beam angle turner, a second beam angle turner, a second nonreciprocal rotator, and a second beam displacer/combiner, together with methods of using the o...	04/18/2000
6049426	Compact polarization insensitive circulators with simplified structure and low polarization mode dispersion Optical circulators including a first beam displacer/combiner, a first nonreciprocal rotator, a first beam angle turner, a second beam angle turner, a second nonreciprocal rotator, and a second beam displacer/combiner, together with methods of using the o...	04/11/2000
6040914	Simple, low cost, laser absorption sensor system 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 modula...	03/21/2000
5995521	External cavity laser pivot design Disclosed are both a housing and an assembly for a tunable external cavity laser. The housing includes: a base section, a motion section, and an actuator. The base section includes a proximal and distal portion, and the laser and the dispersive element mo...	11/30/1999
5953164	Wide range cylindrical mirror mount with radial clamp An improved optical mounting apparatus permits a single kinematically adjustable surface to be presented in either a horizontal or vertical orientation with respect to a support. A three point fastening system allows cylindrical optical elements of variou...	09/14/1999
5936785	Positionable multi-optic holder An optic mount for holding an optic element in a light path is provided. The optic mount includes a base and a holder. A base and a holder are pivotally connected. The holder includes an optic bore. The optic bore is dimensioned to contain an optical elem...	08/10/1999
5933353	Method and apparatus for computer aided machining In an embodiment, the controller for machining parts on a work piece positioned on a numerically controllable (NC) machine includes a memory, a display and a plurality of layout processes. A job comprising multiple parts in various quantities is displayed...	08/03/1999
5852519	Positionable multi-optic holder An optic mount for holding an optic element in a light path is provided. The optic mount includes a base and a holder. A base and a holder are pivotally connected. The holder includes an optic bore. The optic bore is dimensioned to contain an optical elem...	12/22/1998
5847885	Wide range cylindrical mirror mount with radial clamp An improved optical mounting apparatus permits a single kinematically adjustable surface to be presented in either a horizontal or vertical orientation with respect to a support. A three point fastening system allows cylindrical optical elements of variou...	12/08/1998
5816986	Universal chuck and automated machining system Universal chuck for holding of irregular or regular shaped parts for machine processing such as milling, shaping, grinding and the like. Movable and fixed platens have grid-like patterns including protrusions and spaces into which gripping jaw members, ha...	10/06/1998
5737132	Flip-type mirror mount Optical system mounting device having a tilting optical element holder which may be positioned in or out of a laser beam path. A pivot system of pivot balls adjustably located between a mirror holding element and a base provide a pivotal axis for the mirr...	04/07/1998
5694257	Rotary beamsplitter prism mount Rotary beamsplitter prism mount providing individually adjustable rotation about three axes where adjustment about one axis does not significantly affect the remaining axis with respect to beam emergence....	12/02/1997
5644422	Techniques of radiation phase matching within optical crystals A non-linear crystal is used as an optical radiation frequency converter. Its efficiency is optimized though control of one or more operating conditions that include the temperature of the crystal, its angular relationship with incident radiation and an e...	07/01/1997
5596456	Achromatic anamorphic prism pair An achromatic anamorphic prism pair for the conversion of the elliptical output beam of a tunable diode laser to a circular beam. The achromatic design prevents a directional shift in the output beam with respect to the optical axis of the system laser wa...	01/21/1997
5543670	Magnetostrictive actuator for optical alignment screws This invention relates to electromechanical actuators, and particularly to actuators utilizing magnetostrictive elements to rotate positioning shafts associated with optical elements....	08/06/1996
5524012	Tunable, multiple frequency laser diode A diode laser utilizing a grazing incidence grating in combination with collimating and refocusing devices and a mirror having a plurality of spaced reflective areas which are effective to return different wavelengths to the grating and thence to the lase...	06/04/1996

PatentStorm

Quotables

PatentStorm News

Assignee: New Focus, Inc.