|
Match
|
Document |
Document Title |
|
|
7561611 |
Extended-lifetime elements for excimer lasers
The invention is directed to elements used in high power laser lithographic systems operating at below 250 nm, and in particular to elements that have a coating of selected materials to extend...
|
|
|
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...
|
|
|
7539233 |
Lens holder and laser array unit using the same
In a laser array unit in which a plurality of laser beams emitted from a laser array is received by a lens array, the lens holder for fixedly bonding the lens array is formed such that the length...
|
|
|
7512170 |
Method of forming mirrors by surface transformation of empty spaces in solid state materials
A multi-layered reflective mirror formed of spaced-apart plate-shaped empty space patterns formed within a substrate is disclosed. The plurality of plate-shaped empty space patterns are formed by...
|
|
|
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...
|
|
|
7489714 |
Speckle reduction laser and laser display apparatus having the same
A speckle reduction laser and a laser display apparatus having the speckle reduction laser are provided. The speckle reduction laser includes a semiconductor unit that comprises an active layer and...
|
|
|
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...
|
|
|
7469454 |
Mounting system for optical frequency reference cavities
A technique for reducing the vibration sensitivity of laser-stabilizing optical reference cavities is based upon an improved design and mounting method for the cavity, wherein the cavity is mounted...
|
|
|
7463668 |
Wavelength tunable cavity with rotational movement
A wavelength tunable cavity includes a first reflecting unit adapted to at least partially reflect a beam of electromagnetic radiation towards a second reflecting unit, adapted to at least...
|
|
|
7463667 |
Solid-state laser and multi-pass resonator
A laser system may include a solid-state laser gain material (LGM) module. The system may also include a multi-pass resonator including a plurality of relay mirrors. The plurality of mirrors may be...
|
|
|
7463666 |
Laser with hybrid-unstable ring resonator
A unidirectional ring laser oscillator has a travelling wave unstable mode in one transverse dimension and either a waveguide or freespace Gaussian mode in the orthogonal transverse dimension for...
|
|
|
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...
|
|
|
7460568 |
Apparatus as tuning filter
An apparatus as a tuning filter is provided for tuning the wavelength of a laser or a filter between extensive bandwidths, including a reflecting element, an optical system and a movable mount set...
|
|
|
7457343 |
Lens structure, optical transmitter, and method for producing same
In one embodiment, a lens structure has an object surface, an image surface, and an axicon mirror. The axicon mirror is defined by an inner diameter, an outer diameter, and a tilt angle, with the...
|
|
|
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...
|
|
|
7436874 |
Laser device
According to the present invention, a first p-side electrode 7 A made of metal which is provided with regularly arranged holes 10 having a diameter smaller than a laser oscillation wavelength...
|
|
|
7433372 |
Device and method to stabilize beam shape and symmetry for high energy pulsed laser applications
A beam mixer for increasing intensity symmetry along a selected axis of a beam (wherein the beam extends from a first edge to a second edge along the axis) is disclosed and may include a plurality...
|
|
|
7411989 |
Mechanically Q-switched CO2 laser
A CO 2 laser has a resonator mirror that oscillates about an axis perpendicular to the resonator axis through an angular range of oscillation sufficient that the resonator is only able to deliver...
|
|
|
7394840 |
Virtual optical axis determination using machine vision for passive optical alignment
Alignment of a laser apparatus is achieved by actively aligning components of the laser apparatus and then passively deriving an optical axis from that alignment. This passive derivation can be...
|
|
|
7382812 |
Solid state laser device
The transmittance of an etalon relative to an oscillating line having the wavelength of 1061.6 to 1062.2 nm by an Nd:YAG laser medium 3 is set to 0.9 or lower (the maximum value of the...
|
|
|
7352791 |
Optical systems including wavefront correcting optical surfaces
The present invention relates to optical systems, beam expanding assemblies, line narrowing modules, and lasers having refractive optical elements with wavefront correcting optical surfaces. The...
|
|
|
7346093 |
DUV light source optical element improvements
A high power narrow band, high repetition rate laser light source optical improvement apparatus and methods are disclosed with a fast angularly positionable mirror having a mirror mounting frame, a...
|
|
|
7339974 |
Tunable semiconductor laser
A tunable semiconductor laser includes gain medium, wavelength-selective element and a laser mode matching element. The wavelength-selective element comprises a first light absorbing plate...
|
|
|
7336691 |
Apparatus for combining beams from repetitively pulsed lasers along a common path
Two pulse sequences are delivered by two lasers. A rotating segmented mirror having one or more reflective areas and one or more transmissive areas is rotated synchronously with the delivery of the...
|
|
|
7321114 |
Apparatus and method for beam drift compensation
An apparatus and method for maintaining a desired position of a collimated light beam are provided. An optical system includes one or more passive optical elements movably positioned in the beam...
|
|
|
7317746 |
Method and device for passive alignment
The present invention is related to a method and device for precision and passive alignment such as precision and passive alignment technology for low cost array fibre access components. A laser...
|
|
|
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...
|
|
|
7296359 |
Laser alignment system and method
Provided is a device/method of alignment of a laser's beam with the laser's support system so that the beam is substantially parallel in a chosen direction with respect to a reference line on the...
|
|
|
7293923 |
Laser module for circular saw
A laser module used in a circular saw to guide cutting of the saw blade of the circular saw is constructed to have a hollow housing, a focal lens mounted in the housing, a laser diode mounted in...
|
|
|
7277467 |
Externally aligned laser module
Disclosed is a laser module case having a snout disposed within a wall of the case, wherein the snout may allow alignment of a laser with an optical fiber after closure of the case. The snout has...
|
|
|
7272161 |
Epitaxial layer for laser diode ridge protection
A semiconductor laser formed from a semiconductor wafer has an active layer, at last two optical cladding layers, and a ridge waveguide. A ridge top surface of the ridge waveguide is deposited from...
|
|
|
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...
|
|
|
7245643 |
Semiconductor laser module and method of manufacturing the same
A semiconductor laser module according to the present invention includes a polarization-synthesizing module having a polarization-synthesizing means configured to polarization synthesize two laser...
|
|
|
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...
|
|
|
7167500 |
Laser apparatus such as a construction laser apparatus
The invention relates to a laser apparatus as construction laser apparatus ( 10 ) comprising a light source accommodated inside a housing ( 12 ). For providing an increased protection of the...
|
|
|
7142577 |
Method of forming mirrors by surface transformation of empty spaces in solid state materials and structures thereon
A multi-layered reflective mirror formed of spaced-apart plate-shaped empty space patterns formed within a substrate is disclosed. The plurality of plate-shaped empty space patterns are formed by...
|
|
|
7123632 |
Laser beam source
In a laser beam source for projecting laser pulses, having a laser-active medium ( 10 ), a controllable pump device ( 11 ) for exciting the medium ( 10 ), a resonator ( 13 ) for inducing...
|
|
|
7116501 |
Optical element holder, exposure apparatus, and device fabricating method
An optical element holder for holding an optical element includes a holding element to hold the optical element or a holding part provided to the optical element unitedly, wherein there is...
|
|
|
7088762 |
Multi-wavelength laser apparatus with rotatable mirror
In a laser apparatus, a rotatable reflection mirror rotatable on or parallel to a resonance optical axis of a laser medium is disposed changeably between a first and second positions by driving of...
|
|
|
7088750 |
Adjustable laser module
An adjustable laser module has a main body, a laser generator provided in the hollow interior of the main body at a first end thereof for emitting a laser beam, a cylindrical lens provided in the...
|
|
|
7085304 |
Diode-pumped solid state disk laser and method for producing uniform laser gain
Methods, systems and apparatus are provided for amplifying a source light in a solid state laser. An amplifier module for the solid state laser suitably includes a disk having two substantially...
|
|
|
7075958 |
Method of monitoring an optical signal from a laser
A method and apparatus are provided for monitoring an optical signal from a solid state laser. The method includes the steps of providing a planar substrate defined by opposing planar surfaces and...
|
|
|
7068373 |
Piezoelectric transducer configured for use as a path length control apparatus for an optical device comprising a central void region
A path length control apparatus (PLC) for a ring laser gyroscope (RLG) provides a flattened surface for reflecting a laser beam. The flattened surface is achieved by providing a void behind the...
|
|
|
7064908 |
Laser beam jitter reduction device on a laser optical bench
In accordance with an embodiment of the present invention, a device including a first optical table, a second optical table, and at least one optical mount coupled to the first and second optical...
|
|
|
7061947 |
Partially mirrored beam tap for wavelength lockers
A partially mirrored beam tap for use in wavelength and power monitoring, wherein the partially mirrored beam tap splits off at least two beams from an elliptical Gaussian output beam, wherein a...
|
|
|
7050477 |
Semiconductor laser apparatus
A semiconductor laser apparatus includes a semiconductor laser element, a lead frame on which the semiconductor laser element is mounted, and an enclosure attached to the lead frame. When a...
|
|
|
7042922 |
Method for calibrating photonic crossconnect device
A method for calibrating a preferred disposition for a moveable first mirror of an optical switch core of a photonic crossconnect device relative to a second mirror thereof, the method comprising...
|
|
|
7006549 |
Apparatus for reducing spacing of beams delivered by stacked diode-laser bars
Two parallel sets of groups of beams from diode laser bars are spaced apart by a distance V. The two sets of beam groups are interleaved by a beam combiner to provide on set of beam groups spaced...
|
|
|
7006538 |
Apparatus for locking bending mechanism that bends reflex type wavelength selection element
A an apparatus for locking a bending mechanism that bends a reflex type wavelength selection element for a bending mechanism that bends a reflex type wavelength selection element comprises a...
|
|
|
6999494 |
Packaging and passive alignment of microlens and molded receptacle
A planar wafer-level packaging method is provided for a laser and a microlens. Light from the laser is directed and shaped by the microlens to couple into an external light guide. A plurality of...
|