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Description: The Model 8016 Modular Controller expands on Newport’s modular laser diode controller concept to meet the higher channel densities found in Dense WDM (DWDM) applications and 2-D VCSEL arrays where all the lasers have similar electrical configurations. The sixteen bays accept Combo Laser Diode Driver (LDD)/ Temperature Controller (TEC) modules.
The Combo LDD/TEC modules are designed for use in communication applications and have an internal function generator for testing systems. The user only needs to program the frequency, Imax, and Imin to modulate the laser diode output. Triangle, sine or square (50% duty cycle) waveforms are available from 200 Hz–300 kHz. This range of frequencies meets today’s low frequency single-tone and high data rate test requirements for datacom and telecom.
The mainframe automatically detects which module is installed in each bay and displays the system configuration on a large LCD screen. A sophisticated processor provides enhanced system control and data collection capabilities.
GPIB/IEEE-488 and RS-232C interfaces are included with the Model 8016 for complete remote control and data collection.
The modules have the following specifications:
Laser Output
Output Current Range: 0–1000 mA
Output Current Resolution: 0.0153 mA
Output Current Accuracy: ± (0.03% +30 µA)
Compliance Voltage: 3 V
Temperature Coefficient < 50 ppm FS/°C
Short-Term Stability: < 10 ppm FS 1 Hour
Long-Term Stability: < 10 ppm FS 24 Hour
Noise/Ripple (rms): < 5 µA
Current Limit
Range: 0–1000 mA
Resolution: 0.000–3.000 mA
Accuracy: ± 2 mA
Internal Function Generator
Waveforms: Triangle, Sinewave, Squarewave
Frequency Range: 200 Hz–300 kHz
Squarewave Duty Cycle: 50 ± 5
Independent Output Set Points: Imax, Imin
Frequency Jitter: < 1
Frequency Accuracy: ± 5
Amplitude Accuracy: ± 5
Sinewave THD: < 2%
Squarewave Risetime: < 10 µsec
Photodiode Input
Monitor Current Range: 0–5 mA
Monitor Current Stability: ± 0.02 24 Hour
Monitor Current Accuracy: ± (0.004% + 0.5 µA)
Temperature Coefficient: < 0.02% FS/°C
Photodiode Reverse Bias: None
TEC Output
Type: Bipolar, low noise
Maximum Current: 2 A
Maximum Voltage: 4 V
Typical Power: 8 W
Current Limit
Range: 0–2.0 A
Accuracy: ± 10 mA
Ripple/Noise (rms): < 1 mA
Short-Term Stability: 0.0005°C 1 Hour
Long-Term Stability: 0.001°C 24 Hour
Temperature Coefficient: < 0.05 °C/°C
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