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posted in April 2008
Researchers claim photovoltaic cell advance
News & Analysis  
4/30/2008   Post a comment
Scientists at the University of Tel Aviv in Israel claim they have found a way to construct efficient photovoltaic cells costing at least a hundred times less than conventional silicon based devices, and with similar or better energy conversion efficiency.
C-shaped encoder module easily integrates into industrial motors
Product News  
4/30/2008   Post a comment
Avago Technologies has released a high-temperature, six-channel, optical incremental C-shaped encoder module for brushless DC motors used in industrial and factory automation equipment.
LED for lighting startup reportedly raises $6 million
Product News  
4/24/2008   Post a comment
Optoelectronix Inc. (San Jose, Calif.) has raised $6 million in Series A round of investment to help it start making LED-based light bulbs, according to VentureBeat. The money has come from private unnamed investors, the report said.
Solar industry challenges semi equipment manufacturers
Design How-To  
4/21/2008   Post a comment
The solar photovoltaic industry might be a seller’s market for equipment manufacturers but representatives of the world’s leading photovoltaic product manufacturers are calling for suppliers to better address their needs. PV industry demands came across loud and clear at conferences running alongside the Photon Technology Show in Munich earlier this month.
Incremental encoders with integrated codewheel target industrial apps
Product News  
4/17/2008   Post a comment
Avago Technologies has launched a series of miniature three-channel housed optical incremental encoders that deliver up to 500 cycles per revolution (CPR) for use in a wide range of office and industrial automation applications.
Solid-state relay targets security applications
Product News  
4/16/2008   Post a comment
Clare, Inc. has announced the availability of the CPC1317 single-pole (1-Form-A) OptoMOS solid-state relay with bi-directional transient voltage protection.
Digital ambient light photo sensor provides precise illuminance measurement
Product News  
4/16/2008   Post a comment
Avago Technologies has introduced a miniature programmable digital ambient light photo sensor that provides precise illuminance measurement over a wide range of lighting conditions in consumer, industrial and automotive applications.
Photonic Products : 450 nm laser modules suit power hungry applications
Product News  
4/14/2008   Post a comment
Photonic Products introduces powerful 35 and 60 mW, 405 nm (blue-violet) Photon laser diode modules with TTL modulation.
Emcore buys more of Intel's optical operations
News & Analysis  
4/10/2008   Post a comment
Emcore Corporation is buying Intel Corp's enterprise and storage assets within the latter's Optical Platform Division, as well as its Connects Cables business.
High-power LED modules deliver up to 1140 lumens
Product News  
4/8/2008   Post a comment
Avago has introduced the ADJD-WMxx/YMxx high-power Moonstone LED series featuring cool white and warm white LED modules.
OPTEK : Optocouplers provide isolation for high voltage power systems
Product News  
4/7/2008   Post a comment
OPTEK has expanded its optocoupler product line with both analog and digital output devices that provide isolation for high voltage power systems.
Vishay's releases silicon NPN phototransistor series
Product News  
4/6/2008   Post a comment
Vishay continues to broaden its optoelectronics portfolio with the release of a series of wide-angle phototransistors in a PLCC-2 surface mount package that is compatible with lead (Pb)-free soldering.
LED lightpipes prevent color mixing
Product News  
4/5/2008   Post a comment
Elma Electronic has introduced a new series of LED lightpipes that provide distinct color output and optional barriers that prevent color mixing from adjacent rows.
Osram boosts LED production
Product News  
4/4/2008   Post a comment
Optical semiconductor manufacturer Osram GmbH Friday (April 4) inaugurated the final section of its Regensburg production site. The move expands the company's production capacity at that location by about 50 percent.
LEDs available in pink, purple and turquoise colors
Product News  
4/2/2008   Post a comment
Lumex has added three new color choices -- pink, purple and turquoise -- to its line of visible LEDs.
Surface-mount IR LEDs feature extended operational life
Product News  
4/2/2008   Post a comment
OPTEK Technology has developed a range of surface-mount infrared LEDs that feature a silicon encapsulant that increases the operational life of the devices.
Embracing tunable white LEDs as the next generation of lighting
Design How-To  
4/1/2008   Post a comment
Basic white LEDs may not meet the application color and lighting requirements; tunable LEDs may be a better choice

As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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