Line-scan camera; Transimpedance amplifier; EDFA gain blocks; Violet diode source; and more.
The AMT128503 is a monolithically integrated metal-semiconductor-metal diode and transimpedance amplifier for use in 850-nm gigabit-Ethernet and Fibre-channel applications, converting optical signals into electrical pulses. It has a typical sensitivity of -22 dBm and a minimum responsivity of 1000 V/W with a total power dissipation of approximately 120 mW. The device includes an on-chip automatic gain-control circuit, letting it handle optical input powers up to 0 dBm. It operates on a +3.3-V supply ±5%, from 0°C to 70°C.
Anadigics, Warren, NJ
The OPSIS 5150ALC smart line-scan camera is capable of performing 20 billion operations per second for high-speed inspection. It is based on a 5150-pixel charge-coupled device and has built-in DSP analysis. Clocked at 40 MHz, it runs at 7500 lines/s at highest resolution and up to 175,000 lines/s at reduced resolution. The camera is able to detect defects as small as 2 µm and can stand alone or function as part of a multicamera system that includes a PC, software, lighting, and lenses.
Wintriss Engineering, San Diego, CA
EDFA gain blocks
Erbium-doped fiber amplifier (EDFA) gain blocks are designed for use in wavelength-division multiplexing and SDH single-channel applications and are qualified according to applicable Bellcore standards. The PGE 60830 comes in a standard-size package of 120 x 80 mm. The PGE 60831 is in an 88 x 70-mm package. Both support up to eight channels and are designed primarily for short-range metro applications. Output power and optimum gain point can be customized to meet system requirements.
Ericsson Microelectronics, Newcastle, Staffordshire, England
Violet diode source
The NanoLED-07 is the latest of a range of pulsed-diode light sources. Based on gallium nitride technology, the device emits picosecond pulses at around 405 nm with megahertz repetition rates. It comes standard with built-in focusing and collimating optics. A high-intensity version produces nanosecond pulses for applications requiring a greater energy per pulse. It has full "plug-and-play" capability with other nonacid light-emitting-diode and laser-diode sources.
IBH, Glasgow, Scotland
A line of two-part epoxies is used for connectorization. The blue dye epoxy cures at 65°C in one hour or can be cured overnight at room temperature. The heat-cured epoxy cures at 110°C in 15 min. The epoxy comes in a two-part plastic tubing within a moisture-resistant envelope in quantities of two or four grams.
Fiber Instrument Sales, Oriskany, NY
The laser coupler for 650-nm lasers includes a GRIN lens collimator, 2 m of 4-µm-core single fiber, and either a FC or SC connector. Coupling efficiency is greater than 60%.
Casix Inc., Fuzhou, Fujian, China
Variable optical attenuator
The hand-held Kingfisher KI7020 850/1300-nm multimode variable optical attenuator has low insertion loss of less than 2.5 dB, high linearity of 0.2 dB, and power handling up to +20 dBm. Calibration is performed at every attenuator position in 0.05-dB increments over a 60-dB range. The instrument can be preprogrammed with 15 programs.
Senko Advanced Components, Southborough, MA
Dichroic filters, housed in clear anodized aluminum to minimize heat, come in red, green, blue, yellow, and a light-balancing daylight filter. Improved transmission properties maximize light intensity, and the coating will not fade or discolor regardless of operating parameters. Heat resistance up to 350°C eliminates the need for an expansion slot.
Schott-Fostec LLC, Auburn, NY
A four-channel DWDM transmitter contains four DFB diode lasers in a hermetically sealed package. Integrated BIAS TEEs allow the lasers to be modulated up to 2.448 Gbit/s (STM-16 or OC-48). Wavelengths are available from 1530 to 1575 nm, 1480 nm for monitoring, and 1280 to 1320 nm for extended DWDM. A TEC cooler ensures a constant output and emission wavelength.
AMS OptoTech, Munich, Germany
The OSM960 six-element photodiode array for incremental encoder applications provides differential, analog outputs for A and B quadrature channels, in addition to an index or marker pulse channel. The signals are suitable for both low- and high-resolution applications.
Optek Technology, Carrollton, TX
The size of a golf ball, the Silicon Eyeball can be placed on a standard optical mount and attached via a standard USB cable to any PC or Mac with a USB port. A real-time image can be viewed and snapshots recorded. The camera has exchangeable lenses and can be swiveled vertically and horizontally.
Data Optics, Ypsilanti, MI
The HL6503MG low-astigmatic, 0.65-µm-band AlGaInP laser diode provides high output power and visible light output in a multi-quantum-well structure. The device requires a positive power supply (P type) and low operating voltage (2.6 V typical). Its operating temperature range is -10°C to 60°C.
Photonic Products Ltd, Newport, Essex, England
OptoGuard HSR optically clear and flat plastic windows protect emitting and detecting components, with a refractive index of 1.52 at 546 nm at 25°C. Working temperature range extends to 150°C. Windows are available in thicknesses from 0.5 to 3.0 mm in 0.5-mm increments. Maximum size is 470 x 300 mm. Antireflective coating is available.
LasIRvis, Bedford, Bedfordshire, England
Small optical amplifier
The S1730 erbium-doped fiber amplifier measures 79 x 20 x 107 mm and includes pump lasers, erbium-doped fiber, input and output power monitors, and a microprocessor controller. It works in both preamplification applications requiring low noise and booster applications requiring high power.
Lucent Technologies, Microelectronics Group, Allentown, PA
WDM laser source
The IQ-2400 WDM laser module includes +13-dBm DFBs. The module has a ±0.5-nm tuning range, allowing testing of systems with 100- and 50-GHz spacing. Central wavelengths of each source can be selected on the ITU-T grid ranging from 1525 to 1565 nm. The module provides ±0.01-nm setting accuracy.
EXFO, Vanier, Que., Canada
An electrolytic process applies a protective, highly reflective gold coating to a line of precision metal optics. The process enhances the optics' reflectivity in the 8- to 12-µm range by at least 98.5% and provides resistance to corrosion and abrasion, extending the service lifetime.
Axsys Technologies, Speedring Systems, Englewood Cliffs, NJ
Fiberoptic collimators with 1.6-, 10-, 20-, and 45-mm beams exhibit no diffraction rings and have very high wavefront quality. Applications include interferometry, free-space communication, and portable instrumentation. Custom beam sizes and focused spot sizes are available to OEMs.
Micro Laser Systems, Garden Grove, CA
Laser-diode and photodiode optical subassemblies include SELFOC or ball-lens technology optimized for data communications signal transmission and reception. Features include high coupling efficiency, antireflective coatings, design flexibility, and VCSEL technology.
NSG America, Somerset, NJ
Tunable laser modules
The 1905 TLM broadband CW tunable laser module comes in a 14-pin industry-standard butterfly package and covers 32 50-GHz spaced channels. The device is a two-section distributed-Bragg-reflector laser, which uses the background of the buried-ridge structure.
Alcatel Optronics, Paris, France
Laser modules feature output power from 10 to 60 W, wavelengths from 780 to 980 nm, fiber coupling of 200-600 µm, and collimation of 5 x 3 mrad.
LIMO, Dortmund, Germany
The HFE4086-001 850-nm VCSEL provides a migration path for both high-speed data communications (up to 4 Gbit/s) and small-form-factor optical interconnects. The high-radiance VCSEL converts electrical current into optical power and is designed for low-cost silicon or gallium arsenide detectors.
Honeywell Micro Switch Div., Freeport, IL
In-line fiber polarizers
Polarizers offer a high extinction ratio (typically 35 dB, maximum 40 dB) and a low insertion loss (typically 0.1 dB, maximum 0.5 dB) at a range of wavelengths. Packaging is compact and low profile. Applications include test and measurement where input/output polarization is critical.
ProtoDel International Ltd., Hackbridge, Surrey, England
The ITMX is a combination of a fiber isolator, tap coupler, and wavelength-division multiplexer in a package 5.5 mm in diameter and 40 mm in length. Designed for EDFAs with 980- or 1480-nm pumps, the device has an epoxy-free optical path. Polarization-dependent loss is <= 0.04 dB.
E-Tek Dynamics, San Jose, CA
The Specdillas-D series single-mode DFB laser diodes now include lasers at 1414 and 1330 nm, which are suitable for water measurement. The diode comes in a SOT 6.6-mm package and produces more than 1 mW of optical output power between 15°C and 25°C.
Laser Components Inc., Santa Rosa, CA
The 622C-Link multimode-to-single-mode fiber converter supports up to 622-Mbit/s LAN protocols from a single unit. All interfaces are Class 1 via optical SC connectors. The device works for applications to 30 km in length, including campus fiber backbones and ATM tail circuits.
Clifton Moor, York, England
Wedge-base LED lamps
Wedge-base lamps come in standard T13/4 sizes and can serve as one-to-one replacements for incandescent bulbs. The WS01 and WM01 series lamps come in all voltages up to 48 V.
Lumina Electronics Inc., Lake Forest, CA
Transceivers capable of fast-infrared operation from voltage supplies of from 2.6 to 5 V are compatible with IrDA standards. The devices offer data rates up to 4 Mbit/s. Side-view and top-view surface-mounted packages are 13 x 5.3 x 5.6 mm, and the BabyFace package for top or side orientation is 9.7 x 4.7 x 4 mm.
Vishay Telefunken, Heilbronn, Germany
GaAlAs detector diodes have a typical responsivity of 0.60 A/W at 880 nm and a 50% spectral bandwidth of 60 nm. The diodes come in TO-46 and TO-5 packages. Responsivity at 650 nm is typically 0.005 A/W. Signal-to-background light ratio is six times that of black plastic filtered photodiodes.
Opto Diode Corp., Newbury Park, CA
The Evolution II diode-pumped, intracavity-doubled, Q-switched Nd:YLF laser provides an average power of more than 6 W at a repetition rate of 1 kHz and more than 10 W at 5 kHz. The system features 10,000-h diode lifetime and 110/220-Vac (single-phase) operation and requires no external water cooling.
Positive Light, Los Gatos, CA