|
Match
|
Document |
Document Title |
|
|
5388119 |
Microbench
In a laser light pump, a multiplicity of micromanipulators adjust the positions of a cylindrical lens and line of optical fiber ends relative to each other and relative to a light source composed...
|
|
|
5386427 |
Thermally controlled lenses for lasers
An apparatus and method for controlling the propagation path of a light beam are disclosed. A lens material having a temperature-dependent index of refraction is positioned in the path of the light...
|
|
|
5386426 |
Narrow bandwidth laser array system
A spectral narrowing of the output bandwidth from a laser array is obtained by feeding back to the array a portion of its emitted light, while outputting the remainder of the light emitted from the...
|
|
|
5384657 |
Laser beam expanders with glass and liquid lens elements
Design forms are disclosed for 5× and 10× laser beam expanders whose lens elements consist of glass and liquid optical materials, which provide diffraction-limited performance without refocussing...
|
|
|
5381438 |
Laser diode unit including an adjusting member provided with a through hole
A laser diode unit, having advantages of dissipating heat quickly, being capable of protecting itself from being destroyed by an incidental electrostatic or electric voltage, being effective to...
|
|
|
5379315 |
Semiconductor laser pumped multiple molecular gas lasers
A gas laser cavity 44 comprises a first (pumped) molecular gas 52 and a second (lasing) molecular gas 52, such as Hydrogen Halides. The first gas is pumped by a plurality of semiconductor lasers 20...
|
|
|
5369659 |
Fault tolerant optical system using diode laser array
The individual outputs of a large laser diode array are combined using an optical transformer of diffractive optics. To allow for the tolerances in the laser array and combining optics required for...
|
|
|
5369661 |
Semiconductor laser-pumped solid state laser system and optical coupling system coupling semiconductor laser with optical fiber
Light beams output from active layer stripes of a semiconductor laser array are individually collimated in a GRIN lens array and are converged, in a aspheric lens, into a beam spot, to thereby...
|
|
|
5355387 |
Interface module for transverse energy input to dye laser modules
An interface module (10) for transverse energy input to dye laser modules is provided particularly for the purpose of delivering enhancing transverse energy beams (36) in the form of illumination...
|
|
|
5351264 |
Optical apparatus for emitting light and automatic adjustment apparatus therefor
An optical apparatus (23) for emitting light is constituted by a fixation holder (8) fixed to a predetermined positioning fixation jig via a fixation plate (8a), a lens-barrel (10), fitted on a...
|
|
|
5351259 |
Semiconductor laser-pumped solid-state laser with plural beam output
A semiconductor-laser-pumped solid-state laser apparatus having a semiconductor laser device, a solid state laser medium, and laser resonators. The semiconductor laser device has a plurality of...
|
|
|
5349600 |
Solid state laser
A high-output, single fundamental transverse mode solid state laser is disclosed which uses a semiconductor laser array as an excitation light source. The solid state laser comprises: a laser...
|
|
|
5349603 |
Solid-state laser resonator
A solid-state laser resonator includes a pair of reflectors 4, 5, a bar-like laser medium 6, a plurality of point laser sources 1, 2 and resonator including a plurality of resonator portions. At...
|
|
|
5345373 |
Lens holding block enabling accurate lens positioning
A flat portion has a flat top surface, on which a chip carrier is provided. A light-emitting element is mounted on the chip carrier. A vertical portion is integral with the flat portion and extends...
|
|
|
5335244 |
Technique and apparatus using a moveable weak lens
An assembly for use in a laser instrument which produces a plane of laser light by reflection from a cone. The assembly includes a weak focusing lens which improves the control over the planarity...
|
|
|
5329404 |
Laser beam expander: 5X
A 5× laser beam expander lens that is well-corrected for chromatic aberration can be used without refocussing over a wavelength range from 0.365 micron to 1.3 micron.
|
|
|
5327451 |
Laser diode assembly for laser scanner system
A laser source arrangement is provided for use in a laser instrument of a kind used to transmit a scan pattern to a target which is spaced from the laser instrument and to detect light reflected...
|
|
|
5325378 |
Misalignment-tolerant, grating-tuned external-cavity laser with enhanced longitudinal mode selectivity
A grating tuned external cavity laser having improved mode selectivity and stability. A cylindrical lens is positioned between a laser amplifier and a prism pair beam expander to focus the laser...
|
|
|
5317589 |
Laser oscillator having a curved mirror with a through-hole
A laser oscillator includes a housing which seals a laser medium gas from the atmosphere, concave mirrors (or a set of concave and convex mirrors) positioned in the housing and having the laser...
|
|
|
5315613 |
Laser diode pumped solid laser
A laser diode pumped solid laser comprises a solid laser medium, to which a rare earth metal has been added, a semiconductor laser, which produces a laser beam for pumping the solid laser medium,...
|
|
|
5315614 |
Apparatus and method for soft focusing energy into an optical fiber array
A method and apparatus for coupling laser energy into an optical fiber employs a laser with a concave reflector and a planar reflector, a plano-convex focusing lens and an optical fiber array. A...
|
|
|
5309454 |
Apparatus for wavelength conversion of laser light
An apparatus for wavelength conversion of laser light which can prevent optical destruction of a wavelength conversion element and achieve a high wavelength conversion efficiency. The apparatus for...
|
|
|
5307430 |
Lensing duct
A lensing duct to condense (intensify) light using a combination of front surface lensing and reflective waveguiding. The duct tapers down from a wide input side to a narrow output side, with the...
|
|
|
5305150 |
Laser beam expander: 10×
A 10× laser beam expander lens that is well-corrected for chromatic aberration can be used without refocussing over a wavelength range from 0.365 micron to 1.3 micron.
|
|
|
5301201 |
Article comprising a tunable semiconductor laser
The disclosed tunable (wavelength and/or focal length) laser typically is a surface emitting laser that comprises a multilayer structure that comprises the lower Bragg reflector and the active...
|
|
|
5272717 |
Single focus backward Raman laser
A single focus backward Raman laser that is a compact, efficient apparatus for converting light at a first wavelength provided by a pump laser to light at a Raman-shifted wavelength. The laser is...
|
|
|
5268920 |
System for end-pumping a solid state laser using a large aperture laser diode bar
An optical system for end-pumping the gain medium of a three-level or a self-terminating solid state laser with the optical output from a wide aperture laser diode bar is disclosed. In a preferred...
|
|
|
5263039 |
System for generating shaped optical pulses and measuring optical pulses using spectral beam deflection (SBD)
A temporally shaped or modified optical output pulse is generated from a bandwidth-encoded optical input pulse in a system in which the input pulse is in the form of a beam which is spectrally...
|
|
|
5258989 |
Solid state laser diode light source
A laser diode light source comprises at least two laser diodes (1,2). The beams (3,4) of the diodes (1,2) are combined together by, for example, a polarising beam combiner (11) and the combined...
|
|
|
5257279 |
Adjustable focus technique and apparatus using a moveable weak lens
An assembly for use in a laser instrument which produces a plane of laser light by reflection from a cone. The assembly includes a weak focusing lens which improves the control over the planarity...
|
|
|
5251221 |
Self aligning intracavity Raman laser
Intracavity Raman lasers comprising a pump resonator and a Raman resonator that eliminates alignment problems associated with multi-mirror intracavity lasers. The pump resonators include a laser...
|
|
|
5251222 |
Active multi-stage cavity sensor
In accordance with the present invention, an optical sensing device and method are provided for processing with extremely low energy requirements. Spontaneous emissions from an excited optical gain...
|
|
|
5241557 |
Laser focus compensating sensing and imaging device
A laser focus compensating sensing and imaging device permits the focus of a single focal point of different frequency laser beams emanating from the same source point. In particular it allows the...
|
|
|
5235604 |
Optical amplifier using semiconductor laser as multiplexer
An optical signal emitted from a first optical is applied to a semiconductor laser through a focusing lens so as to propagate through an active layer of the semiconductor laser. In the...
|
|
|
5228051 |
Tilted lens imager in a laser amplifier/oscillator and method utilizing same
Lenses (30', 32') are orthogonally tilted with respect to one another in a telescope to provide imaging for an amplifier-phase conjugate mirror (PCM)(10) in a laser oscillator/amplifier (12). This...
|
|
|
5212707 |
Array of diffraction limited lasers and method of aligning same
A one-dimensional semiconductor laser array assembly typically comprising a one-dimensional semiconductor laser array, a heatsink upon which the laser array is bonded, and a lens assembly. The...
|
|
|
5206878 |
Wide strip diode laser employing a lens
An improved diode laser is attained by augmenting the conventional diode laser structure with a cylindrical lens that arrests the divergence of the beam in the spatial direction where it is rapidly...
|
|
|
5206869 |
Method and device for generating high quality laser beam from laser diodes
A method and device for generating a collimated laser beam which is circular in cross-section, non-astigmatic, diffraction-limited and has a gaussian energy distribution are disclosed. The device...
|
|
|
5202893 |
End pumped solid-state laser
An end pumped solid-state laser is comprised of a resonator formed of a pair of mirrors and a laser rod disposed between the pair of mirrors, an exciting light source for generating a pumping light...
|
|
|
5202898 |
Laser oscillator, laser resonator, and apparatus for manufacturing of semiconductor
The present invention relates to a laser oscillator, especially to a laser oscillator suitable for ultrafine manufacturing such as an apparatus for manufacturing of a semiconductor wherein the...
|
|
|
5199042 |
Unstable laser apparatus
An unstable laser with improved beam quality has a laser medium and a pair of crossed Porro prism end reflectors positioned to form a resonator defining a light path through the laser medium. Beam...
|
|
|
5191591 |
Laser wavelength converter
A stable wavelength converting apparatus comprising an axicon having a convex conical surface on that side where a second harmonics enters and a concave conical surface on the light-leaving side....
|
|
|
5185758 |
Multiple-laser pump optical system
Apparatus and method for scaling solid-state devices to higher power using multiple sources each of which are separately collimated, followed by focusing of the pump radiation into gain medium...
|
|
|
5181224 |
Microoptic lenses
The present invention provides several novel diffraction limited microlens configurations which are especially valuable for use in conjunction with laser diodes, and optical fibers. Collimators,...
|
|
|
5170409 |
Laser resonator assembly
A resonator assembly particularly suited for a diode pumped solid state laser is disclosed. The assembly includes a glass planar support plate 20. At least two transparent mirror mounts 26, 28 are...
|
|
|
5151917 |
Laser resonators employing diffractive optical elements
A laser 10 is disclosed in which there are incorporated one or more diffractive optical elements (DOE's) 20. The DOE's can be used in place of conventional optics to save costs and allow design of...
|
|
|
5148446 |
Laser objective lens shield
A laser objective lens shield for preventing ejecta from a target object from impacting the objective lens has an inner and an outer conical structure that nest concentrically together. The inner...
|
|
|
5148442 |
Dye lasing arrangement including an optical assembly for altering the cross-section of its pumping beam and method
An optical assembly is disclosed herein along with a method of operation for use in a dye lasing arrangement, for example a dye laser oscillator or a dye amplifier, in which a continuous stream of...
|
|
|
5140608 |
Optical system for focusing a light beam on to an image plane
An optical system for focusing a light beam on to an image plane particularly suited for compensating for manufacturing tolerances associated with laser diodes having variable divergence and...
|
|
|
5139609 |
Apparatus and method for longitudinal diode bar pumping of solid state lasers
The invention is a solid state laser resonator or amplifier which employs a longitudinal pumping scheme that provides efficient coupling of greater than 90 percent from the output of one or more...
|