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7623558 |
Optical systems for laser arrays
Surface emitting laser arrays with intra-cavity harmonic generation are coupled to an optical system that extracts harmonic light in both directions from an intra-cavity nonlinear optical material...
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7620092 |
Multimode MOPA with thermal lens compensation
A master oscillator power amplifier (MOPA) laser system includes a symmetrical master oscillator and an amplifier each having an optically pumped solid-state gain rod. An optical relay is located...
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7615722 |
Amorphous silicon crystallization using combined beams from optically pumped semiconductor lasers
An amorphous silicon layer on a glass substrate is crystallized by concentrating CW radiation from a number of OPS-lasers into a line of light on the layer. The layer is moved with respect to the...
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7599417 |
Laser pumping unit and high power laser device tunnel junction including the same
Embodiments include a laser pumping unit and a high power vertical external cavity surface emitting laser (VECSEL) device including the same. The laser pumping unit easily diffuses current in a...
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7577179 |
Laser irradiation apparatus
The laser radiation apparatus is provided having substantial light emission intensity although the laser radiation apparatus is miniaturized. A solid state laser rod; the excitation light source...
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7555024 |
Resonator cavity configuration and method
A resonator cavity ( 10 A) and method and presented. The resonator cavity ( 10 A) comprises at least one gain medium ( 16 ) and end reflectors ( 12, 14 ) which define together longitudinal modes of...
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7553048 |
Stabilized mirror system for a handheld laser pointer
A hand-held laser pointer is disclosed wherein the laser beam is isolated from unwanted hand tremor motions of the laser pointer housing. A laser beam is directed toward a pair of passively...
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7548569 |
High-power optically end-pumped external-cavity semiconductor laser
A high-power optically end-pumped external-cavity semiconductor laser is provided having a laser chip including an active layer and a distributed Bragg reflector (DBR) for emitting light of a...
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7539232 |
Compact phase locked laser array and related techniques
An electro-optical system includes a plurality of electromagnetic gain media having a corresponding plurality of apertures. The apertures are disposed in a predetermined spatial distribution. The...
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7532651 |
Illumination system for optical modulators
A phase plate and lens modify light beams emitted by an array of lasers to form an efficient illumination source for a MEMS light modulator array. The phase of the electric field emitted by the...
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7532650 |
Unstable monoblock laser cavity
A monoblock laser cavity includes a plurality of discrete optical components disposed serially on a substrate and sharing a common optical axis. The optical components include a laser rod of gain...
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7508859 |
Optical scanning apparatus
To provide an optical scanning apparatus which is strong against an external stress while suppressing an increase in the number of parts, an inserting portion 6 into which a laser light source...
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7502403 |
Semiconductor laser and optical module
In a horizontal cavity surface emitted laser, there is provided a device structure that is capable of obtaining a circular narrow-divergence emitted beam that is high in the optical coupling...
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7495838 |
Collimation lens group adjustment for laser system
A laser system comprising a laser assembly for generating a light beam, and collimation assembly movable axially with respect to the laser assembly and being positioned in the optical path of the...
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7492806 |
Compact mid-IR laser
A compact mid-IR laser device utilizes a quantum cascade laser to provide mid-IR frequencies suitable for use in molecular detection by signature absorption spectra. The compact nature of the...
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7489711 |
Laser beam processing apparatus
This laser beam processing apparatus includes a fiber laser oscillator, a laser beam branching unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating unit, and a...
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7483603 |
Optical device and method for manufacturing the same, optical module, and optical transmission device
Exemplary embodiments of the present invention provide optical devices including optical members whose disposed positions, shapes and sizes are excellently controlled, and methods for manufacturing...
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7483469 |
Surface-emitting type semiconductor laser and its manufacturing method, optical module, and light transmission device
To provide surface-emitting type semiconductor lasers that can emit laser light with a high power output and a narrow radiation angle, and methods for manufacturing the same. A surface-emitting...
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7480318 |
Side-pumped solid-state laser source, and pumping process for a solid-state laser source
The side-pumped solid-state laser source comprises a resonant cavity defined by at least two spaced-apart mirrors, an active medium of laser crystal type placed in said resonant cavity, and a...
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7471712 |
Laser irradiating method and device for same
Because a focal distance of a condenser lens is changed due to a change in temperature, when irradiation of a laser beam is restarted after the irradiation has stopped, it takes a long time to...
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7460578 |
On-chip lenses for diverting vertical cavity surface emitting laser beams
An optical device includes a chip containing a Vertical Cavity Surface Emitting Laser (VCSEL) active region that produces a laser beam on a first axis. The VCSEL can further include a post having a...
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7457342 |
Laser device
A laser device applied to a light source of laser scanning units (LSU) including a laser diode disposed on an accommodation hole of a flange. A collimator lens is arranged on one end of an inner...
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7436875 |
Laser module having controlled optical power density at exposed surfaces
A laser module includes: one or more semiconductor laser elements which emit one or more laser beams; an optical fiber which has a light-entrance end face; and an optical condensing system which is...
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7436863 |
Fiber laser beam processing apparatus
A fiber laser beam processing apparatus is configured by a fiber laser oscillator, a laser power source unit, a laser beam injecting unit, a fiber transmission system, a laser beam irradiating...
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7428252 |
Unstable monoblock laser cavity with integrated beam expander
A monoblock laser cavity includes a plurality of discrete optical components disposed serially on a substrate and sharing a common optical axis. The optical components include a laser rod of gain...
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7415058 |
Ultra-high-Q surface-tension-induced monolithically integrated on-chip resonator and associated devices
A resonator structure includes a substrate and a cladding layer formed on the substrate. A plurality of lens-shaped optical structures is formed on the cladding layer. The lens-shaped optical...
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7409122 |
End face structure of optical fiber, optical fiber laser, and laser processing apparatus
An end face structure of an optical fiber includes a coreless fiber fused to an emitting end face of the fiber optical fiber and a coating material disposed around at least the coreless fiber, a...
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7398404 |
System and related control device and method for controlling power supply according to a power status
A computer system includes a main power, a backup power, an input/output (I/O) board, a main board, a computer host, and controls signal transmission and signal detection with a control device. The...
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7397829 |
Vertical external cavity surface emitting laser
Provided is a VECSEL capable of achieving an excellent efficiency of a SHG crystal and being manufactured in a compact size. The VECSEL includes a laser chip, an external mirror, an SHG crystal, a...
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7391796 |
Ultra-low heat laser
An ultra-low heat laser that does not rely on florescence cooling. Generally, the inventive laser includes a pump source operable at a pump frequency and a gain medium disposed to receive energy...
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7359411 |
Fiber laser oscillator and fiber laser processing apparatus
An end cap is formed as a substantially cylindrical body having substantially the same diameter as an external diameter of a retaining unit of an oscillation fiber; a base end surface is integrally...
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7352789 |
Laser light irradiation apparatus and laser light irradiation method
Laser light is emitted from a laser oscillator, and the laser light is made to enter a beam expander optical system including a concave lens through a correction lens. The laser oscillator, the...
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RE40173 |
High efficiency, high power direct diode laser systems and methods therefor
A direct diode laser system includes N laser head assemblies (LHAs) generating N output beams, N optical fibers receiving respective N output beams and generating N received output beams, and a...
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7339975 |
Apparatus for synthesizing laser beams
(Problem to be solved) To provide a laser beam synthesizing apparatus which is small in size and high in output power. (Means for solving the problem) A convergent angle transforming optical...
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7336690 |
Solid-state laser system
A simple and high-reliability constitution provides a solid-state laser system that allows a high-output, long-pulse-width laser beam to be obtained. A solid-state laser system that includes a...
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7333526 |
Coarse spectrometer with a grating
A quasi-monochromatic light beam carrier for a particular telecommunication channel is likely to experience drift because of age, temperature, or other factors, and may cause the centroid...
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7327774 |
Self-forming microlenses for VCSEL arrays
A Vertical Cavity Surface Emitting Laser (VCSEL) assembly including a VCSEL structure having a light-emitting region located on its surface, a relatively wettable region of a surface modifier...
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7324575 |
Lens with reflective surface
A lens having a reflective surface, and systems that use such a lens. The lens includes a transmissive part for passing a portion of an incident light beam, and a reflective part for reflecting a...
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7321468 |
Method and optical arrangement for beam guiding of a light beam with beam delay
A method for beam guiding of a light beam generated by a light source to a target location along a path distance L S , comprises splitting the light beam on the path distance L S at least once...
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7317740 |
Mode locker for fiber laser
A mode locking device of fiber laser includes a bar structural body, having a central hollow region, extending along a reference line of the bar structural body. The central hollow region has two...
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7305019 |
Excimer laser with electron emitters
An apparatus, system, and method for an excimer laser having lasing gas and electron emitters emitting electrons upon the application of an emitting voltage is described herein.
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7295592 |
Light source device and optical communication module employing the device
A light source device for radiating a stimulated emission from a semiconductor laser to outside via a multiple scattering optical system, which system has a first region located adjacent to the...
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7294863 |
Micro-lens built-in vertical cavity surface emitting laser
A micro-lens built-in vertical cavity surface emitting laser (VCSEL) includes a substrate and a lower reflector formed on the substrate. An active layer is formed on the lower reflector, generating...
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7289548 |
Laser oscillator incorporating transverse mode rotation in the laser resonator
A laser oscillator is provided that makes it possible to stably obtain a laser beam output in continuous or pulsed oscillation that has an intensity distribution of a top-hat profile or a...
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7282706 |
Advanced optics for rapidly patterned laser profiles in analytical spectrometry
The present invention is directed to a novel arrangement of optical devices for the rapid patterning of laser profiles used for desorption and/or ionization sources in analytical mass spectrometry....
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7277229 |
Linear light beam generating optical system
An optical system includes semiconductor lasers arranged in the direction of the slow axis of the laser beam, an optical means which makes parallel the collimated laser beams, an optical member...
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7266139 |
Optical semiconductor device module and bidirectional module
A semiconductor laser diode optically coupled to an optical fiber is mounted on a stem. A cap having a light transmissive hole between the optical fiber and the semiconductor laser diode is fixed...
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7265439 |
Low cost, high speed, high efficiency infrared transceiver
An inventive transceiver includes a transmitter for outputting plural beams of electromagnetic energy. In the illustrative embodiment, the transmitter is a vertical cavity surface emitting laser....
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7260131 |
Symmetrization device and laser diode system provided with the same
A symmetrization device and laser diode system using such a device is shown. The device has adjacent lens components transforming beamlets from a laser diode array. Each lens component has input...
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7230968 |
Semiconductor laser device and solid-state laser device using same
A semiconductor laser device including a laser element stack array emitting a two-dimensional array shaped group of laser beams consisting of rows of laser beams arranged linearly in parallel in a...
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