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Match Document Document Title
7430046 Pathogen and particle detector system and method  
A particle detector has a sample area of cross section no in excess of about 2 mm for containing environmental fluid, a light source on one side of the sample area for directing a collimated or...
7428042 Food analyzer for self-propelled food loading units, and relative operating method  
A food analyzer which can be installed on a self-propelled food loading unit, and which includes an optoelectronic device for determining the spectrum of electromagnetic radiation reflected and/or...
7426021 Interferometric optical analyzer and method for measuring the linear response of an optical component  
An interferometric optical analyzer apparatus comprises a light source, an interferometer and a detection system for determining the linear response, and subsequently any optical parameter, of one...
7424191 System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber  
A method of simultaneously specifying the wavelength dispersion and nonlinear coefficient of an optical fiber. Pulsed probe light and pulsed pump light are first caused to enter an optical fiber to...
7420666 Measurement method by OTDR and terminal station apparatus  
In a method for performing OTDR measurement in an optical transmission system including a first terminal station and a second terminal station, OTDR signal light is transmitted from an OTDR...
7420665 Optical detection device with reduced light throughput oscillations  
A method is provided to perform an optimized setting of an optical detection device, with the detection device comprising a first and a second waveguide, each having an end face adapted for...
7415371 Systems and methods for proactive detection of imaging chain problems during normal system operation  
Certain embodiments of the present invention provide a method for performing diagnostics in a medical imaging system during the normal operating mode of the imaging system including firing a...
7414711 Estimating optical transmission system penalties induced by polarization mode dispersion (PMD)  
Polarization mode dispersion (PMD) induced system penalty ε is determined from optical characteristics of an optical wavelength division multiplexed (WDM) signal that is carried on a network. The...
7411666 Optical time domain reflectometry system at different wavelengths  
An optical time domain reflectometry system is used to determine a power response from a device under test -DUT-. For providing power information data, an optical transmitter launches a probe...
7411665 Method for wavelength calibration of an optical measurement system  
An optical measurement system having a spectrophotometer and a ellipsometer is calibrated, the spectrophotometer and the ellipsometer first being calibrated independently of one another. A...
7410793 Optical instrument including excitation source  
An optical instrument is provided for simultaneously illuminating two or more spaced-apart reaction regions with excitation beams generated by a light source. The light source can include an area...
7406234 Method for determining spin characteristic parameters in spun optical fibers  
A method of determining characteristic spin parameters of a spun optical fiber by performing optical time-domain reflectometry measurements on the fiber, so as to obtain a state of polarization...
7405820 Optical spectrum analyzing device by means of Brillouin scattering and associated measurement process  
The invention relates to a device which is used for the spectral analysis of optical signals and which is based on the stimulated Brillouin scattering effect. The invention also relates to the...
7403717 Method and apparatus for first-order polarization mode dispersion compensation  
Method and apparatus for compensating for first-order Polarization Mode Dispersion in an optical transmission system. An apparatus has a polarization controller for transforming polarization...
7403275 Optical reflectometry using integrated VCSEL photodiode chip  
Optical time domain and frequency domain reflectometry using a VCSEL-photodiode combination. Optical time domain reflectometry can be accomplished using an integrated VCSEL-Photodiode. A pulse is...
7403274 Equivalent time sampling system  
An equivalent time sampling system employs two clock frequency sources, phase locked, wherein an analog to digital converter sampling clock is derived from one source and a pulse generator clock is...
7403273 System and method for the deposition, detection and identification of threat agents using a phase mask  
A system method for depositing a sample of a threat agent is deposited onto a substrate. The threat agent is illuminated via an illumination source along an optical path with a plurality of photons...
7400387 Method for monitoring an optical transmission line, corresponding measuring device and optical transmitter  
The invention relates to a method for monitoring an optical transmission line of an optical data network, wherein light is sent into the optical transmission line at a line input, and backscattered...
7397545 Application of statistical inference to optical time domain reflectometer data  
The present invention relates to a method for interpreting data obtained by measuring a length of optical fiber using an optical time domain reflectometer (OTDR), and comparing that measurement to...
7397544 Distortion measuring device, method, program, and recording medium  
There is provided a distortion measuring device including a Brillouin scattered light spectrum recording unit which records a spectrum of Brillouin scattered light generated in an optical fiber as...
7397543 Optical reflectometry analysis with a time-adjustment of partial responses  
Determining a physical property of a device under test—DUT—includes receiving an optical scatter signal returning from the DUT in response to a probe signal launched into the DUT, wavelength...
7397542 Determining mode spectra for principal states of polarization  
For determining mode spectra of an optical property of a device under test (DUT) in dependence on a spectral parameter, with the mode spectra corresponding to the device's principal states of...
7397541 Apparatus and method for measuring optical characteristics of an object  
Color/optical characteristics measuring systems and methods are disclosed. Perimeter receiver fiber optics/elements are spaced apart from a central source fiber optic/element and received light...
7391518 Device and method for the determination of the quality of surfaces  
The present invention relates to a device and method for making quantified determinations of the quality of surfaces and wherein the device comprises an optical system with a first optical means...
7391509 Devices and methods for multi-mode analytical microscopy, in particular for UV fluorescence and Raman analysis of samples  
An analytical microscope provides both UV fluorescence imaging and spectroscopic analysis of a sample with use of the same light collection element (objective lens or other optical element). An...
7388657 System and method for monitoring an optical communication system  
A monitoring system and method may be used to monitor an optical communication system. A monitoring system and method may be used to derive loop gain data sets from optical time domain...
7385706 Method and apparatus for determining the nonlinear properties of devices and fibers  
A method and apparatus are provided for measuring samples of the electric field of light propagated through a device under test and determining a nonlinear property of the device, such as...
7385683 Method of characterizing fiber Bragg gratings using iterative processing  
A method determines a complex reflection impulse response of a fiber Bragg grating. The method includes providing a measured amplitude of a complex reflection spectrum of the fiber Bragg grating....
7385682 Cytometer  
A cytometer includes an illuminating unit having a laser and a light beam shaping module for shaping and converging the laser beam emitted from the laser. A sample generation unit includes a...
7379646 Optical fiber product, method of fabricating optical cable, and characteristic evaluation method  
The present invention relates to an optical fiber product suitable for fabricating an optical cable that requires a complicated length adjustment. The optical fiber product includes an effective...
7379169 System and method for integrated measurement using optical sensors  
An integrated measurement system for measuring a plurality of parameters is disclosed. The integrated system includes a fiber Bragg grating (FBG) sensor configured for modulating a wavelength of an...
7379168 Polarization diversity detection without a polarizing beam splitter  
A fiber optic measurement device including an optical frequency domain reflectometer (OFDR) performs polarization diversity detection without using a polarizing beam splitter.
7376359 Digital regulated light receive module and regulation method  
The invention discloses a digital adjusting method for an optical receiver module, and the method implements real-time monitor of parameters, on-line adjustment and non-linear compensation. The...
7373027 Method for characterizing an optical fiber link  
A method for characterizing an optical link by its beat length, coupling length and polarization mode dispersion is disclosed. A pulsed signal is sent along said optical fiber link and the...
7372554 Selection of a signal input from an optical fiber member  
The present invention provides methods and apparatuses for analyzing optical parameters of a selected optical fiber member. A signal input from an optical fiber member is selected by instructing a...
7372553 Apparatus and method for detecting defect in optical fiber, and plastic optical fiber manufacturing apparatus  
While a plastic optical fiber (POF) strand is guided by guide pulleys toward a winding machine, an internal defect in the POF strand is detected by a defect detection apparatus. The defect...
7369307 Light raster microscope and its use  
In a light raster scanning microscope with a spot illumination arrangement ( 2 ) which provides an illumination beam for the illumination of a sample ( 23 ) in the form of points or point groups, a...
7369249 Apparatus for measuring differential mode delay of multimode optical fiber  
Disclosed herein is an apparatus for measuring the differential mode delay of multimode optical fiber. The apparatus includes a tunable laser source, an interferometer, a data collecting device,...
7369242 Cavity ring-down spectrometer for semiconductor processing  
An apparatus is provided for measuring a gas within a semiconductor thin film process. The apparatus includes an optical resonator disposed within an environment of the thin-film process, a tunable...
7369219 Active wavelength converter for use with an optical time-domain reflectometer (OTDR) and method for increasing OTDR supervision distance range  
A converter device that changes the wavelength of optical signals originated by an OTDR to supervise optical networks, in a manner that eliminates the traffic signal interference in the supervision...
7362427 Polarized lightwave reflectometry method (POTDR)  
A polarized lightwave reflectometry method including the steps of sending at least two polarized light signals into the optical fiber to be tested, the signals presenting a determined angular...
7362426 Raman and photoluminescence spectroscopy  
Systems and techniques for contemporaneous Raman and photoluminescence spectroscopy. Light that has interacted with a sample is dispersed to separate wavelength components, including Raman and...
7362425 Wide spatial frequency topography and roughness measurement  
In one embodiment, a system to inspect a surface comprises an assembly to direct a first radiation beam onto a surface in a first plane of incidence, a first detector to generate a first signal...
7362424 Compositions and methods for drop boundary detection and radiation beam alignment  
The invention provides an apparatus and method for determining the position of a radiation beam. The apparatus includes (a) a first reflective surface and a second reflective surface, the...
7359634 Light color recognition for optical connection verification  
Optical connection verification schemes that do not cause electromagnetic interference. An all-optical connection verification scheme exploits optical coding based on a standard color scale such as...
7359042 Inspection system for limited access spaces  
A limited access space inspection system comprising: an imaging device for imaging a region in the limited access space, a mounting for mounting the imaging device to scan about the limited access...
7359040 Simultaneous capture of fluorescence signature and raman signature for spectroscopy analysis  
A system and method are provided for analyzing a substance using spectroscopy techniques. Raman scattered energy and fluorescence scattered energy are simultaneously excited in the substance from a...
7356228 Fiber optic cable systems and methods incorporating a luminescent compound-containing layer to identify cracks  
Fiber optic cable systems and methods incorporating a luminescent compound-containing layer to identify cracks. Exemplary embodiments include a fiber optic cable apparatus including a core for...
7356208 Fiber detector apparatus and related methods  
A fiber detector apparatus includes a hub having one or more electrical contacts. The hub is configured to be placed against a connector, which is disposed on an electromagnetic energy source, such...
7352971 Broadband control of polarization mode dispersion  
A method and system is provided for compensating polarization mode dispersion (PMD) in an optical communications system includes a controller designed to control a broadband PMD compensator to...
Matches 1 - 50 out of 2074 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >