Industrial laser diode controller

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Koheron CTL300E is a rugged laser diode controller with the following features:
- High-efficiency current driver up to 1600 mA.
- ±4.5 V / 2 A TEC controller.
- Wide input supply voltage range: 6 V to 33 V.
- -40°C to 85 °C operating temperature range.
- On-board monitoring and diagnostics.
- Modulation input port with 5 MHz bandwidth.
- Fast switching between two independent current setpoints via digital input.
- Mates with the TB300 breakout board sold separately.

Current driver	400	800	1200	1600
Laser current	10 - 425 mA	15 - 850 mA	15 - 1275 mA	15 - 1700 mA
Laser current resolution	7 µA	14 µA	21 µA	28 µA
Compliance voltage at max. current	3.8 V	3.8 V	3.7 V	3.7 V
RMS noise (10 Hz - 1 MHz)	0.85 µArms	1.7 µArms	2.5 µArms	3.5 µArms
Current noise density (10 kHz)	0.8 nA/√Hz	1.7 nA/√Hz	2.7 nA/√Hz	3.4 nA/√Hz
Temperature coefficient	15 ppm/°C	15 ppm/°C	15 ppm/°C	25 ppm/°C
Modulation gain	40 mA/V	80 mA/V	120 mA/V	160 mA/V
3 dB modulation bandwidth	5 MHz	5 MHz	5 MHz	4 MHz
TEC controller
Maximum current	2 A	2 A	2 A	2 A
Compliance voltage	±4.5 V	±4.5 V	±4.5 V	±4.5 V
Temperature stability	0.002 °C/°C	0.002 °C/°C	0.002 °C/°C	0.002 °C/°C
Laser power monitor
Photodiode current	0 - 2.5 mA	0 - 2.5 mA	0 - 2.5 mA	0 - 2.5 mA
Other
Outside Dimensions	131 mm x 41.5 mm x 27.7 mm	131 mm x 41.5 mm x 27.7 mm	131 mm x 41.5 mm x 27.7 mm	131 mm x 41.5 mm x 27.7 mm
Weight	95 g	95 g	95 g	95 g
Supply voltage	6 V to 33 V	6 V to 33 V	6 V to 33 V	6 V to 33 V
Operating temperature	-40 - 85 °C	-40 - 85 °C	-40 - 85 °C	-40 - 85 °C
Compatible lasers	Floating diodes	Floating diodes	Floating diodes	Floating diodes

Current driver	400	800	1200	1600
Laser current	10 - 425 mA	15 - 850 mA	15 - 1275 mA	15 - 1700 mA
Laser current resolution	7 µA	14 µA	21 µA	28 µA
Compliance voltage at max. current	3.8 V	3.8 V	3.7 V	3.7 V
RMS noise (10 Hz - 1 MHz)	0.85 µArms	1.7 µArms	2.5 µArms	3.5 µArms
Current noise density (10 kHz)	0.8 nA/√Hz	1.7 nA/√Hz	2.7 nA/√Hz	3.4 nA/√Hz
Temperature coefficient	15 ppm/°C	15 ppm/°C	15 ppm/°C	25 ppm/°C
Modulation gain	40 mA/V	80 mA/V	120 mA/V	160 mA/V
3 dB modulation bandwidth	5 MHz	5 MHz	5 MHz	4 MHz
TEC controller
Maximum current	2 A	2 A	2 A	2 A
Compliance voltage	±4.5 V	±4.5 V	±4.5 V	±4.5 V
Temperature stability	0.002 °C/°C	0.002 °C/°C	0.002 °C/°C	0.002 °C/°C
Laser power monitor
Photodiode current	0 - 2.5 mA	0 - 2.5 mA	0 - 2.5 mA	0 - 2.5 mA
Other
Outside Dimensions	131 mm x 41.5 mm x 27.7 mm	131 mm x 41.5 mm x 27.7 mm	131 mm x 41.5 mm x 27.7 mm	131 mm x 41.5 mm x 27.7 mm
Weight	95 g	95 g	95 g	95 g
Supply voltage	6 V to 33 V	6 V to 33 V	6 V to 33 V	6 V to 33 V
Operating temperature	-40 - 85 °C	-40 - 85 °C	-40 - 85 °C	-40 - 85 °C
Compatible lasers	Floating diodes	Floating diodes	Floating diodes	Floating diodes

Specifications

Specifications