Matches 1 - 37 out of 37


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US20090147344 INTEGRATED HIGH EFFICIENCY MULTI-STAGE ACOUSTO-OPTIC MODULATOR  
An acousto-optic modulator for a Q-switch (300) for a laser includes a monolithic acousto-optic (a-o) medium (311), a series of at least two acoustic transducers (321, 322), bonded spaced apart on...
US20070019276 LIGHT PULSE POSITIONING WITH DISPERSION COMPENSATION  
A light pulse positioning apparatus with dispersion compensation includes an acousto-optical device and a dispersive element optically coupled thereto. The dispersive element is placed and...
US20060279830 Ramped RF acousto-optic Q-switch driver  
A device and a method for driving a transducer of an acoustooptical Q-switch. The device includes a signal processor that has an input. The signal processor is configured to output a sine wave to...
US20140253891 TUNABLE WAVELENGTH ILLUMINATION SYSTEM  
A lithographic apparatus comprises an alignment system including a tunable narrow pass-band filter configured to receive a broad-band radiation and to filter the broad-band radiation into...
US20100149619 Device for Correcting the Wavelength Dependence in Diffraction-Based Optical Systems  
A device for correcting the wavelength dependence in diffraction-based optical systems in which certain orders of diffraction are filtered is disclosed, comprising at least one diffractive optical...
US20130155485 ACOUSTO-OPTIC DEVICE WITH ELECTRODE HAVING DIFFERENT TRANSVERSE EDGE POSITIONS  
An acousto-optic (AO) device includes an AO interaction crystal for receiving and propagating a light ray along an optical propagation direction (OPD). A piezoelectric transducer is on at least...
US20110040511 Acoustography dynamic range extending device and method  
The acoustographic dynamic range extending device and method determines thresholds to reach a preset brightness with a test part and without a test part and transforms these thresholds to image...
US20080304133 Photoelastic Modulator System  
A photoelastic modulator (PEM) has two parts (11, 13) of the same or dissimilar cross sections, joined together to form an abrupt junction (16). A transducer, for which the natural oscillation is...
US20090257107 Device for controlling light radiation  
Device for controlling light radiation, which is excited in a specimen and/or which is backscattered and/or reflected and which contains one or more wavelengths, at a plurality of light outlets,...
US20100053725 ACOUSTO-OPTICAL COMPONENT  
An acousto-optical component is suggested, in particular for use in the beam path of an optical arrangement, preferably of a microscope, with a crystal for the passage of light. Sound waves are...
US20080055700 Laser Source Using Coherent Beam Recombination  
A laser source comprises N incident laser beams, N equal to two at least, N single-mode spatial beam propagation media, each forming a propagation channel (gi) for one laser beam, a system for...
US20140092463 STRUCTURED ILLUMINATION APPARATUS, STRUCTURED ILLUMINATION MICROSCOPY, AND STRUCTURED ILLUMINATION METHOD  
A structured illumination apparatus includes a light modulator being disposed in a light path of an exit light flux from a light source, and in which a sonic wave propagation path is arranged in a...
US20130083389 Laser Doppler Velocimeter Optical Electrical Integrated Circuits  
A photonic integrated circuit and related method are presented. A photonic integrated circuit comprises a source of radiation, one or more optical amplifiers, a transceiver, and optical...
US20080037100 Acoustooptic Device and Optical Imaging Apparatus Using the Same  
The present invention provides an acoustooptic device usable even with light in the ultraviolet region, free from laser damage and optical damage, and excellent in acoustooptic performance and an...
US20150211997 LIGHTING DEVICE AND MICROSCOPE, AND LIGHTING METHOD AND OBSERVATION METHOD  
An illumination apparatus including: a traveling wave forming unit that is disposed in an optical path of a light flux emitted from a light source unit and that is configured to form a sonic...
US20150248015 OPTICAL ASSEMBLY AND LIGHT MICROSCOPE  
An optical assembly that is designed for positioning in a beam path of a light microscope having means for providing structured illuminating light in a sample plane of the light microscope, so...
US20120057215 SURFACE PLASMON POLARITON MODULATOR  
A surface plasmon polariton modulator capable of locally varying a physical property of a dielectric material to control a surface plasmon polariton. The surface plasmon polariton modulator...
US20140376078 SCANNING OPTICAL MICROSCOPE  
A scanning optical microscope includes a light source, a light converging optical system, a stage, a scanning unit which displaces an illumination light and the stage relatively, a detecting...
US20120281267 System and Method for Modulating and Displaying Optical Effects  
The invention relates to a system for modulating and displaying optical effects, comprising a lighting device (BV) and at least one displaying object (DO) located outside the lighting device,...
US20150180197 Short Pulse Laser With Amplifier And Adjustable Pulse Sequence  
The invention relates to a short pulse laser (1) having a seed laser oscillator (2), a controllable pulse picker (4) for coupling out a laser pulse or a sequence of laser pulses, and an amplifier...
US20130146769 OPTICAL PULSE GENERATING APPARATUS, TERAHERTZ SPECTROSCOPY APPARATUS, AND TOMOGRAPHY APPARATUS  
An optical pulse generating apparatus that supplies pump light and probe light includes a light source and a modulation unit configured to modulate light emitted from the light source, thereby...
US20120134006 METHOD FOR REDUCING SPECKLE PATTERN IN DISPLAY IMAGES  
A display system includes a coherent light source that can emit a coherent light beam, a de-speckling device configured to distort a wavefront of the coherent light beam to produce a distorted...
US20100290020 OPTICAL APPARATUS, EXPOSURE APPARATUS, EXPOSURE METHOD, AND METHOD FOR PRODUCING DEVICE  
An optical apparatus, having a lens which is irradiated with an exposure light, includes a light source which emits a non-exposing light having a wavelength region different from that of the...
US20070070490 Optical communication device provided with a reflector and method for forming a reflector in an optical communication device  
An optical communication device of the invention includes a reflector for reflecting the light that has reached one end surface of a waveguide chip to turn the optical path of the light. The...
US20160313580 Tunable Acoustic Gradient Index of Refraction Lens and System  
A tunable acoustic gradient index of refraction (TAG) lens and system are provided that permit, in one aspect, dynamic selection of the lens output, including dynamic focusing and imaging. The...
US20160266392 MICROSCOPE WITH TUNABLE ACOUSTIC GRADIENT INDEX OF REFRACTION LENS ENABLING MULTIPLE FOCAL PLAN IMAGING  
An apparatus, system and method for microscopy. The apparatus, system and method includes a stage configured to receive an item; a tunable acoustic gradient index of refraction (TAG) lens having a...
US20160231569 Display System  
A display system comprises an optical waveguide, an actuator and a light engine. The light engine generates multiple input beams which form a virtual image. An incoupling grating of the optical...
US20160202508 Method of Obtaining or Maintaining Optical Transmittance into Deaerated Liquid  
A method of obtaining or maintaining optical transference into deaerated liquid in contact with a light transference medium is disclosed. The method comprises applying ultrasonic energy at a...
US20160097942 ACOUSTIC ABSORBER HAVING A ROUGHENED SURFACE FOR AO DEVICES  
An acousto-optic (AO) device includes an AO crystal having a plurality of faces including a first face and a second face. An input transducer bonded to the first face (top electrode) for receiving...
US20160072251 Optical Systems  
An optical system comprises an optical apparatus arranged to direct received light to different paths and to provide a first signal and a second signal, said first and second signals having an...
US20150168749 SYSTEM AND METHOD FOR DIRECT IMAGING  
A direct imaging system comprises an illumination unit comprising a plurality of light sources, the plurality of light sources configured to emit a plurality of beams, an optical system for...
US20130032735 LASER APPARATUS AND EXTREME ULTRAVIOLET LIGHT GENERATION SYSTEM INCLUDING THE LASER APPARATUS  
A laser apparatus may include: a master oscillator configured to output a pulsed laser beam at a repetition rate; at least one amplifier disposed on a beam path of the pulsed laser beam; at least...
US20120307257 SWEPT LIGHT SOURCE APPARATUS AND IMAGING SYSTEM INCLUDING THE SAME  
The present invention provides a light source apparatus capable of producing stable oscillation and performing high-speed wavelength sweeping over a desired wavelength range. A swept light source...
US20120300281 METHOD AND APPARATUS FOR RESONANT GAS PHASE ACOUSTO-OPTIC MODULATION  
A method and apparatus for resonant gas phase optical phase modulation is disclosed. The method may include passing a laser beam longitudinally through a tube open to air at both ends and setting...
US20120154895 OPTICAL SYSTEM FOR GENERATING A LIGHT BEAM FOR TREATING A SUBSTRATE  
An optical system for generating a light beam for treating a substrate in a substrate plane is disclosed. The light beam has a beam length in a first dimension perpendicular to the propagation...
US20120092746 OSCILLATOR-AMPLIFIER DRIVE LASER WITH SEED PROTECTION FOR AN EUV LIGHT SOURCE  
As disclosed herein, in a first aspect, a device may comprise: an oscillator producing a light output on a beam path; a target material for interaction with light on the beam path at an...
US20110299094 APPARATUS AND METHOD FOR HIGH-SPEED PHASE SHIFTING FOR INTERFEROMETRIC MEASUREMENT SYSTEMS  
Described are a method and apparatus for high-speed phase shifting of an optical beam. A transparent plate having regions of different optical thickness is illuminated by an optical beam along a...

Matches 1 - 37 out of 37