P h o t o n i c s a n d I n s t r u m e n t a t i o n 329 Email: [email protected] • Web: newport.com 500B Series Laser Diode Drivers The New 500B Series Laser Diode Drivers offer all the performance of the most advanced drivers for a fraction of the price. All models are quiet and stable enough for use in the most demanding applications, such as spectroscopy and fiber optic communications. Intuitive front panel controls make these instruments extremely simple to use. There are two operating modes: constant current or constant laser power. Dual current-level selection lets you optimize current resolution settings by precisely varying the output to the laser diode. Comprehensive laser diode safety features are built into every 500B Series Laser Diode Driver. Redundant FET and relay shorting circuits protect the laser diode at the beginning of the slow turn-on sequence. After a short delay, the output current slowly ramps to your preset operating level. The current limit setting is fully independent. External analog modulation allows you to voltage-control or modulate the output. In the high bandwidth mode, you can modulate the laser up to 800 kHz (Model 501B). For precision laser output power control, or wavelength tuning with external control circuitry, you can slowly modulate the laser output in the low bandwidth mode and maintain low noise operation. Additional Benefits • A monitor photodiode can be reverse-biased from 0–5 V with no external power supply • Preset output current or laser power level • USB 2.0 interface for remote control • Fully independent current limit • Low noise current sources with better than 50 ppm long-term stability • Full package of operational features and timetested laser diode safety features • Four models are available to cover laser current levels from below 50 mA up to 6 A • Standard USB 2.0 interface for remote control Specifications Power Requirements 90–264 VAC, 50–60 Hz Chassis Ground 4 mm banana jack Size (H x W x D) [in. (mm)] 3.5 (88) x 8.5 (215) x 12.6 (320) Weight [lb (kg)] 8.9 (4.05) Operating Temperature 0°C to 40°C (<90% humidity non-condensing) Storage Temperature Range -40°C to + 70°C (<90% humidity non-condensing) Relative Humidity, Storage <90% humidity non-condensing Laser Safety Features Output On/Off keyswitch, interlock, output delay (meets CDRH US21 CFR 1040.10) Output Connectors Interlock/Photodiode 9-pin female D-sub Output Connectors External Photodiode BNC Output Connectors Modulation BNC USB Interface Connection USB 2.0 Connector Call Newport’s Application Sales Engineers to help you determine which laser diode driver model best meets your specific application. POLARIZATION MEASUREMENT AND CONTROL LASER DIODE CONTROL LASER DIODE MOUNTS FIBER OPTIC COMPONENTS OPTICAL FIBERS AND ACCESSORIES EDUCATIONAL KITS
Open the catalog to page 1330 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 P h o t o n i c s a n d I n s t r u m e n t a t i o n POLARIZATION MEASUREMENT AND CONTROL OPTICAL FIBERS FIBER OPTIC COMPONENTS LASER DIODE MOUNTS LASER DIODE CONTROL AND ACCESSORIES EDUCATIONAL KITS 501B 505B 525B 560B Output Current Output Current Range (mA) 0–50 0–100 0–200 0–500 0–1,000 0–2,500 0–3,000 0–6,000 Output Current Resolution (mA) 0.001 0.002 0.004 0.01 0.02 0.05 0.06 0.12 Output Current Accuracy (% FS) ±0.03 ±0.05 ±0.07 ±0.09 Compliance Voltage (V) 7 7 7 5 Temperature Coefficient (ppm FS/°C) <50 <50 <50 <50 <80 Short-Term Stability...
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