Daylight Solutions, Inc.

New Focus, Inc.

Bookham Technology Limited

New Focus, Inc., a Delaware Corporation

David F Arnone

Miles James Weida

Timothy Day

Michael B Pushkarsky

Khiem Ba Do

Francis S Luecke

Edeline Fotheringham

Jeremy A Rowlette

David P Caffey

William Chapman

Eric Kim

Sherwin D Cabatic

Michael Brownell

Evan Drake Harriman Green

Ronald Arp

Mark Bermal

Eric C Williams

Bruce A Moore

Manish Sharma

Andrew Ziegler

Emmerich Mueller

Bruce H Coy

Alexander V Tuganov

Andrew G Zeigler

Xin Luo

Justin Kane

Robert L MacDonald

J Allen Priest

Bing Zheng

Carl Iacono

Russ Pritchett

Rudy Bermudez

Santino Marrone

Salvatore F Crivello

Robert Shine

H T Stinson

Rosemary O Abriam

Kenneth W Wallace

Matt Barre

Kyle Thomas

Katharine E Youden

Mona Wallace

Ken Wallace

An assembly () for generating a laser beam () includes a beam steering assembly (); a laser assembly () that is tunable over a tunable range; and a controller (). The laser assembly () generates a laser beam () that is directed at the beam steering assembly (). The controller () dynamically controls the beam steering assembly () to dynamically steer the laser beam () as the laser assembly () is tuned over at least a portion of the tunable range. As a result thereof, the laser beam () is actively steered along a desired beam path (A) while the wavelength of the laser beam () is varied.

Laser assembly with active pointing compensation during wavelength tuning

A fluid analyzer () that analyzes a sample () includes (i) an analyzer frame (); (ii) a module () that includes a test cell assembly () that receives the sample () and a module frame () that retains the test cell assembly (); (iii) a laser assembly () that generates a laser beam (A) that is directed through the test cell assembly (), the laser assembly () being coupled to the analyzer frame (); (iv) a signal detector assembly () that collects a test signal light (B) transmitted through the test cell assembly (), the signal detector assembly () being coupled to the analyzer frame (); and (v) a coupler assembly () that selectively couples the module frame () to the analyzer frame ().

Fluid analyzer with removable test cell for detection and quantitation of compounds in liquids

A fluid analyzer () that analyzes a sample () includes an analyzer frame (); a test cell assembly () that receives the sample (); a laser assembly () that generates a laser beam (A) a signal detector assembly () and a self-check assembly (). The self-check assembly () includes (i) a check frame (A); (ii) a check substance (E) with known spectral characteristics; and (iii) a check frame mover (B) that selectively moves the check frame (A) between a self-check position (B) and a test position (A) relative to the analyzer frame (). In the self-check position (B), the laser beam (A) is directed through the check substance (E) to evaluate the performance of the fluid analyzer (). In the test position (A), the laser beam (A) is directed through the sample () in the test cell assembly () to evaluate the sample ().

Fluid analyzer with self-check, leak detection, and adjustable gain

A flow cell assembly () for a fluid analyzer () that analyzes a sample () includes (i) a base () that includes a base window (B); (ii) a cap () having a cap window (B) that is spaced apart from the base window (B); and (iii) a gasket () that is secured to and positioned between the base () and the cap (), the gasket () having a gasket body (A) that includes a gasket opening (B). The gasket body (A), the base () and the cap () cooperate to define a flow cell chamber (). Moreover, an inlet passageway () extends into the flow cell chamber () to direct the sample () into the flow cell chamber (); and an outlet passageway () extends into the flow cell chamber () to allow the sample () to exit the flow cell chamber ().

Flow cell for direct absorption spectroscopy

A chromatography analyzer system () for analyzing a sample () includes a MIR analyzer () for spectrally analyzing a sample fraction (A) while the sample fraction (A) is flowing in the MIR analyzer (). The MIR analyzer () includes (i) a MIR flow cell (C) that receives the flowing sample fraction (A), (ii) a MIR laser source (A) that directs a MIR beam (B) in a MIR wavelength range at the sample fraction (A) in the MIR flow cell (C), and (iii) a MIR detector (D) that receives light from the sample fraction (A) in the MIR flow cell (C) and generates MIR data of the sample fraction (A) for a portion of the MIR wavelength range.

Liquid chromatography analyzer system with on-line analysis of eluting fractions

A spectral imaging device () includes an image sensor (), an illumination source (), a refractive, optical element (A), a mover assembly (C) (), and a control system (). The image sensor () acquires data to construct a two-dimensional spectral image (A) during a data acquisition time (). The illumination source () generates an illumination beam () that illuminates the sample () to create a modified beam (I) that follows a beam path (B) from the sample () to the image sensor (). During the data acquisition time (), the control system () controls the illumination source () to generate the illumination beam (), and controls the image sensor () to capture the data. Further, during the data acquisition time (), an effective optical path segment () of the beam path (B) is modulated.

Low-noise spectroscopic imaging system

A laser source () that generates an output beam () that is directed along a beam axis (A) that is coaxial with a first axis and orthogonal to a second axis comprises a first frame (), a laser (), and a first mounting assembly (). The laser () generates the output beam () that is directed along the beam axis (A). The first mounting assembly () couples the laser () to the first frame (). The first mounting assembly () allows the laser () to expand and contract relative to the first frame () along the first axis and along the second axis, while maintaining alignment of the output beam () so the beam axis (A) is substantially coaxial with the first axis. The first mounting assembly () can include a first fastener assembly () that couples the laser () to the first frame (), and a first alignment assembly () that maintains alignment of the laser () along a first alignment axis () that is substantially parallel to the first axis.

Laser source assembly with thermal control and mechanically stable mounting

A spectral imaging device () includes an image sensor (), an illumination source (), a refractive, optical element (A), a mover assembly (C) (), and a control system (). The image sensor () acquires data to construct a two-dimensional spectral image (A) during a data acquisition time (). The illumination source () generates an illumination beam () that illuminates the sample () to create a modified beam (I) that follow a beam path (B) from the sample () to the image sensor (). The refractive, optical element (A) is spaced apart a separation distance () from the sample () along the beam path (B). During the data acquisition time (), the control system () controls the illumination source () to generate the illumination beam (), controls the mover assembly () (C) to modulate the separation distance (), and controls the image sensor () to capture the data.

A laser assembly for generating an output beam includes a first module assembly, a second module assembly, and a module fastener assembly. The second module assembly is selectively movable relative to the first module assembly to selectively adjust a cavity length, and a pivot axis of a grating in the laser. Further, an arm assembly that retains the grating can be adjusted to adjust the cavity length, and to adjust the plane of the grating face. Moreover, the grating is movable relative to the arm assembly to align the grating.

Rapidly tunable laser assembly

A laser source () comprises a first frame (), a laser (), and a first mounting assembly (). The laser () generates an output beam () that is directed along a beam axis (A). The first mounting assembly () allows the laser () to expand and contract relative to the first frame () along a first axis and along a second axis that is orthogonal to the beam axis, while maintaining alignment of the output beam () so the beam axis (A) is substantially coaxial with the first axis. The first mounting assembly () can include a first fastener assembly () that couples the laser () to the first frame (), and a first alignment assembly () that maintains alignment of the laser () along a first alignment axis () that is substantially parallel to the first axis.

A laser source assembly () comprises a laser system (), a mounting base (), and a temperature control system (). The mounting base () supports the laser system (). The mounting base () includes a side wall () having a side top (T) and a side bottom (B), and a base floor () that extends away from the side wall () between the side top (T) and the side bottom (B). The temperature control system () controls the temperature of the laser system () and/or the mounting base (). The temperature control system () includes a heat transferor () positioned substantially adjacent to an outer surface () of the side wall (). Heat generated by the laser system () is transferred away from the base floor () and through the side wall () to the heat transferor ().

Mounting base for a laser system

A laser source () for emitting an output beam () along an output axis (A) includes (i) a first laser module () that generates a first beam (A); (ii) a second laser module () that generates a second beam (A); (iii) a beam selector assembly (); (iv) a first director assembly () that directs the first beam (A) at the beam selector assembly (); (v) a second director assembly () that directs the second beam (A) at the beam selector assembly (); and (vii) a control system () that directs power to the modules (), (). The beam selector assembly () moves between a first position in which the first beam (A) is directed along the output axis (A), and a second position in which the second beam (A) is directed along the output axis (A).

Laser source with a large spectral range

A laser source assembly for providing an assembly output beam includes a first MIR laser source, a second MIR laser source, and a beam combiner. The first MIR laser source emits a first MIR beam that is in the MIR range and the second MIR laser source emits a second MIR beam that is in the MIR range. Further, the beam combiner spatially combines the first MIR beam and the second MIR beam to provide the assembly output beam. With this design, a plurality MIR laser sources can be packaged in a portable, common module, each of the MIR laser sources generates a narrow linewidth, accurately settable MIR beam, and the MIR beams are combined to create a multiple watt assembly output beam having the desired power.

High output, mid infrared laser source assembly

Growing community of inventors

Mountain View, CA, United States of America

David F Arnone