Method for in situ measurement of the optical offset of an optical component
Granted: May 6, 2004
Application Number:
20040084641
Embodiments of the invention generally provide an in situ method for assembling and measuring optical characteristics of an optical component. The method generally includes pressing an optical source or lens into an optical housing while simultaneously measuring the optical output of the device. The measured optical output is used to determine and control when the optical source or lens is pressed to an optical position within optical housing. Once the source or lens is pressed into the…
Optical circulator for bi-directional communication
Granted: May 6, 2004
Application Number:
20040086214
A low-cost circulator used in fiber optic networks to accomplish bi-directional communication along a single fiber optic cable. The circulator has three ports, namely an input port, an output port and a bi-directional network port. The circulator core is constructed such that when light with a specific polarization is input into the input port, it is bent into the bi-directional network port where it can be propagated to the fiber optic network. Light input from the bi-directional…
Method and apparatus for reducing reflectance in an optical mount using a glass spacer
Granted: May 6, 2004
Application Number:
20040086233
Embodiments of the invention generally provide an optical component configured to minimize reflectance. The component generally includes an optical housing having a bore formed therethrough, the bore having a central component receiving portion, and a glass block positioned in the component receiving portion in abutment with a fiber receiving bore. The component further includes a fuzzy mount secured in the central component receiving portion, the fuzzy mount being secured via a…
Fiber stub mount
Granted: May 6, 2004
Application Number:
20040086234
Embodiments of the invention generally provide an optical component configured to minimize reflectance. The component generally includes an optical housing having a device receiving end, a fiber receiving end, and an intermediate portion, wherein a bore connects the fiber receiving end to the device receiving end via the intermediate portion. The component further includes a split sleeve assembly press fitted into the intermediate portion, and a fiber stub press fitted into the split…
Optical component assembly system
Granted: May 6, 2004
Application Number:
20040083909
Embodiments of the invention generally provide an apparatus for pressing an optical component into an optical housing. The apparatus generally includes a fixture configured to support the optical housing, a press tool configured to press the optical component into the optical housing, and a controller in electrical communication with the press tool, the controller being configured to control the press operation. The apparatus may further include a camera positioned in an optical path of…
Lens press tool
Granted: April 29, 2004
Application Number:
20040080170
Embodiments provide for an optical component mounting apparatus and method. One embodiment provides a body defining a lens applicator tip at one end, wherein the lens applicator tip defines a lens contact surface. A lens retaining member includes a lens carrying tip defining a lens receiving opening and is slidably disposed over at least the lens applicator tip. The lens carrying tip is slidably positionable between a lens carrying position in which the lens carrying tip extends past the…
Laser monitoring and control in a transmitter optical subassembly having a ceramic feedthrough header assembly
Granted: April 22, 2004
Application Number:
20040074661
An improved monitoring and control system for a laser in a header assembly of a transmitter optical subassembly (“TOSA”) is disclosed. The monitoring and control system, comprising one or more monitor photodiodes (“MPDs”), is positioned together with the laser on a component submount. The submount in turn is mated with a multi-layer platform (“MLP”) that forms part of the header assembly. The MLP hermetically extends through the header assembly to…
Network analysis scalable analysis tool for multiple protocols
Granted: March 25, 2004
Application Number:
20040057389
Embodiments of the invention provide a scalable method for analyzing a network. The method includes generating a data trace representative of the network, determining a topology for the network from the data trace, and sequentially analyzing each frame in the data trace to determine at least one of network errors, warnings, and metrics. The analysis of each frame generally includes analyzing a first protocol layer of the frame with a first expert engine, determining if a second protocol…
Network analysis topology detection
Granted: March 25, 2004
Application Number:
20040059807
Embodiments of the invention provide a method for determining network topology. The method includes capturing and storing channelized data with a network analyzer, interleaving the channelized data into a unitary data stream in chronological order, and processing the unitary data stream to extrapolate indicators of network elements.
Network expert analysis process
Granted: March 18, 2004
Application Number:
20040054776
Embodiments of the invention provide an expert analysis method for analyzing a network. The method includes capturing at least one bidirectional data trace from the network, determining a network topology, analyzing protocols in conversations between initiators and targets to determine if the protocols are valid using the determined network topology and known protocol standards, and displaying at least one of errors or warnings determined in the protocol and metrics calculated from the…
System and method for protecting eye safety during operation of a fiber optic transceiver
Granted: March 11, 2004
Application Number:
20040047635
A single-chip integrated circuit, sometimes called a controller, controls operation of a transceiver having a laser transmitter and a photodiode receiver. The controller includes memory for storing information related to the transceiver, and analog to digital conversion circuitry for receiving a plurality of analog signals from the laser transmitter and photodiode receiver, converting the received analog signals into digital values, and storing the digital values in predefined locations…
Optical isolator mounting apparatus
Granted: February 26, 2004
Application Number:
20040036986
Embodiments of the invention provide for an improved optical component mounting apparatus and method. In one embodiment, the invention provides an optical component mounting apparatus that provides for accurate mounting of an optical component without the use of epoxy or other affixing agents. The optical component mounting apparatus includes a body having a bore formed longitudinally therethrough between a first and second end. The body also includes an inner sidewall of the body…
OPTICAL COMPONENT MOUNTING APPARATUS
Granted: February 26, 2004
Application Number:
20040036987
Embodiments of the invention provide an improved optical component mounting apparatus. In one embodiment, the invention provides an optical component mounting apparatus that provides for accurate mounting of an optical component without the use of epoxy or other affixing agents. The optical component mounting apparatus includes a body having a bore formed longitudinally therethrough. A first end of the body includes an annular aperture configured to receive an optical component therein.…
Optical interconnection sub-assembly
Granted: February 26, 2004
Application Number:
20040037509
The present invention generally is directed to an optical interconnection sub-assembly, which includes a housing, a longitudinal bore formed through the housing, a tapered ring press-fitted into a first end of the longitudinal bore, a split sleeve ring press-fitted into the tapered ring, a fiber stop press-fitted into the split sleeve ring, and one or more bushings threaded into a second end of the longitudinal bore. The interconnection generally operates to secure a fiber in one end and…
Bendable optical signal transmitter port
Granted: February 26, 2004
Application Number:
20040037515
Embodiments of the invention are generally directed to an optical signal transmitter port. In one embodiment, the optical signal transmitter port includes a nose body having a bendable extending transmission end, and an optical signal housing having an optical source therein assembled into the nose body. The optical signal source generates an optical signal within the nose body and the bendable portion is adjusted to optimize the output of the port. Embodiments of the invention are…
Laser production and product qualification via accelerated life testing based on statistical modeling
Granted: February 5, 2004
Application Number:
20040023422
A method is provided for improving performance testing in semiconductor lasers via an accelerated life model. By using an accelerated life model, operating conditions for performance tests, such as burn-in procedures and wafer qualification, are optimized with reduced cost and effort. The method is also used to improve maintenance of optical networks containing semiconductor lasers.
Scalable multithreaded system testing tool
Granted: January 22, 2004
Application Number:
20040015317
Embodiments of the present invention generally provide a system and method for testing integrity of data transmitted to and from a target device through a data connection. In one embodiment, the method generally includes creating one or more test threads. The method further includes, for each test thread, generating a data load on the data connection by repetitively writing test data patterns to the target device and reading data patterns from the target device using a synchronous I/O…
Scalable network attached storage (NAS) testing tool
Granted: January 22, 2004
Application Number:
20040015722
Embodiments of the present invention generally provide a system and method for testing integrity of data transmitted across a network connection. In one embodiment, the method generally includes creating one or more test threads on one or more test clients attached to a server through the network connection. The method further includes, for each test thread, generating a data load on the data connection by repetitively writing test data patterns to a common data file on the server,…
Scalable multithreaded network testing tool
Granted: January 22, 2004
Application Number:
20040015744
Embodiments of the present invention generally provide a system and method for testing integrity of data transmitted across a network connection. In one embodiment, the method generally includes creating one or more test threads on one or more test clients attached to a server through the network connection. The method further includes, for each test thread, generating a data load on the data connection by repetitively writing test data patterns to a data file on the server, reading data…
Scalable socketed testing tool
Granted: January 22, 2004
Application Number:
20040015745
Embodiments of the present invention generally provide a system and method for testing integrity of data transmitted across a network connection. In one embodiment, the method generally includes creating one or more test threads on one or more test clients attached to a test server through the network connection. The method further includes, for each test thread, establishing a socket connection with the test server, generating a data load on the data connection by repetitively sending…
