THORLABS ITC1 Series, Руководство по эксплуатации

Страница: 35 / 46

© 2018 Thorlabs GmbH
8 Appendix
33
8 Appendix
8.1 Technical Data
8.1.1 Laser Diode Controller
Parameter ITC102 ITC110 ITC133
Current Control
Display Laser Current on LED
Trim Potentiometers (15-Turn)
I
LD
, I
PD
resp. P
LD
, I
LD,LIM
Control Range of Laser Current 0 to ± 200 mA 0 to ± 1 A 0 to ± 3 A
1
)
Compliance Voltage > 4 V
Setting Accuracy / Repeatability (full scale) ± 2 % typ. / ± 0.1 %
Noise (10Hz to 10MHz, rms) < 2 µA < 6 µA < 25 µA
Drift (30 min, 0 to 10Hz, typ.) < 20 µA < 100 µA < 300 µA
Temperature Coefficient < 50 ppm/°C
Power Control
Control Range Photo Diode Current 5 µA to 2 mA
Accuracy / Repeatability (full scale) ± 2% typ. / ±0.1%
Photodiode Reverse Bias Voltage 0 V or 5 V
Current Limit
Setting Range 0 to >200 mA 0 to >1 A 0 to >3 A
Setting Accuracy / Repeatability (full scale) ± 2% typ. / ± 0.1%
Analog Modulation Input
Input Resistance
10 k
W
Modulation coefficient, CC 40 mA/V ±5% 200 mA/V ±5% 600 mA/V ±5%
Small Signal 3 dB-Bandwidth, CC DC to 200 kHz DC to 50 kHz DC to 20 kHz
Modulation Coefficient, CP 0.4 mA/V ±5%
TTL Modulation Input
Rise/Fall Time < 10 µs < 50 µs < 100 µs
TTL Control Input LD ON
Measurements and Control Outputs
Analog Measurement Values
I
LD
, I
PD
, I
LD,LIM
Measurements Outputs 0 to ± 5 V
Measurements Accuracy typ. (Load > 500k
W
)
± 2%
TTL Control Outputs LD ON, LIMIT
1
) The total combined current for the ITC133 is limited by the total thermal dissipation loss. Optimized cooling by
fan or bigger heat sink allows 3 A LD and 3 A TEC at the same time provided the power supply provides 6.1 A.
All technical data are valid at 23 ± 5°C and 45 ± 15% rel. humidity (non condensing)