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半導體激光器電流驅(qū)動臺式設備

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產(chǎn)品簡介

特性驅(qū)動電流范圍覆蓋500mA-2A 低噪聲（0.4uA rms，QCL驅(qū)動），低溫漂（10ppm/℃）輸出電壓高達20V 調(diào)制帶寬可高達2-3MHz

詳細介紹

半導體激光管電流驅(qū)動器是構(gòu)成激光器的重要組成部分，為激光管提供穩(wěn)定低噪聲的驅(qū)動電流，從而獲得穩(wěn)定的激光輸出。譜線科技提供wavelength electronics制造的激光器驅(qū)動臺式設備，該系列激光器驅(qū)動設備具有穩(wěn)定的輸出電流功率，并且低噪聲，高穩(wěn)定度，外觸發(fā)調(diào)制，可電腦端控制等特點，可供實驗室、科學研究、工業(yè)研發(fā)廠商方便使用。

主要指標：

參數(shù)	最小值	典型值	值
驅(qū)動電流	500mA	-	2A
電流噪聲	0.4uA rms	1uA rms	1.3uA rms
供電電壓范圍	10V	-	20V
調(diào)制帶寬	-	2MHz	3MHz

測試數(shù)據(jù)：

Soft Clamping Current Limit Behavior

10 kHz Output Plot，QCL1500 at 1.15 A with 10 Ω Test Load

600 kHz Output Plot QCL1500 at 1.15 A with 10 Ω Test Load

PARAMETERS	VALUE				NOTES
PARAMETERS	MIN	TYP	MAX	UNITS	NOTES
DRIVER OUTPUT CURRENT
Output Current	0.5, 1.0, 1.5, or 2.0			A	-
RMS Noise Current	0.4	1.0	1.3	μA RMS	QCL1000 at 500 mA output, 100 kHz test bandwidth
Noise Current Density	1	2	4	nA / √Hz	QCL1000 at 500 mA, 10 Ω test load
Stability, short and long term	5	10	15	ppm	25°C ambient
Temperature Coe?cient	5	10	18	ppm / °C	-
Compliance Voltage Range	10	-	20	V	Internal Supply Voltage can be adjusted from the front panel. NOTE: With this current source, the voltage developed across the load (laser) is not driven by the controller, but by Ohm’s Law and the resistance of the load (laser).
Slow Start Current Ramp (after Enabled)	1.5			msec	To setpoint
Delayed Start	2			sec	User adjustable
EXTERNAL MODULATION
Modulation Bandwidth	-	2	3	MHz	Sinewave
Rise/Fall Time	250 / 200			nsec	To full scale
Slew Rate	-	30	-	V / µsec	-
Depth of Modulation	-	90	-	%	At 500 kHz
External Modulation Input Range	-5 to +5			V	-
Input Impedance	-	1	-	kΩ	-
External Modulation Input Damage Threshold	-10 to +10			V	BNC Connector
MONITORS AND OUTPUTS
Setpoint Resolution	16			bits	5V = fullscale output
Display Accuracy Measurement Resolution	24			Bits	-
Accuracy, Current Output Monitor vs. Actual Current (display or analog output)	0.2			%	> 5% of full scale
	0.5			%	< 5% of full scale
Accuracy, Current Setpoint vs. Actual Current	0.2			%	Internal setpoint
Accuracy, Current Setpoint vs. Actual Current	0.2			%	External modulation
Accuracy, Analog Setpoint Monitor1	5			%	>10% of full scale
Accuracy, Analog Setpoint Monitor1	25			%	<10% of full scale
Current Setpoint Monitor is a reference signal only, and may deviate from the actual setpoint by up to 5% when the setpoint is greater than 10% of full scale.
POWER SUPPLY REQUIREMENTS
AC Power Supply and Line Frequency	100-120 / 220-240 VAC, 2 A, 50-60 Hz				Switch selectable: 100-120 V and 220-240 V, appropriate power cord supplied
Fuse for 220-240 V	0.63 A, 250 V, fast blow				5×20 mm, Part #0217.630MXP, Littelfuse
Fuse for 100-120 V	1.25 A, 250 V, fast blow				5×20 mm, Part #02351.25HXP, Littelfuse
Power Consumption	9.8 Watts				At idle, no output to QCL load
GENERAL SPECIFICATIONS
Warm-up Time	1 Hour				-
Warm-up Time	USB, Ethernet				-
Warranty	One (1) Year				-
Safety Tested To	IEC 61000-3-2 IEC61000-3-3 IEC61000-4-2 IEC61000-4-3 IEC61000-4-4 IEC61000-4-5 IEC61000-4-6 IEC 61000-4-8 IEC 61010-1				European Council Directive 2004/108/EC &European Council Directive 2006/95/EC
ABSOLUTE MAXIMUM RATINGS
Case Operating Temperature Range	-40 to 50			°C	-
Humidity	80			%	Relative humidity at 30°C (non-condensing)
Weight	12 (~5.4)			lbs (kg)	-
Size	3.47×8.86 × 17.72 (89 × 226 × 450)			inches³ (mm³)	-