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    LED MICROSENSORS NT公司产品基本目录,配套的中红外探测器中红外发光二极管LED和光电二极体PD在光学分析系统中具有很大的潜力。在中红外光谱范围1600-5000nm,对于绝大多数的气体和液体来说有很强的吸收带,比如:甲烷CH4 , H2O, 二氧化碳CO2, 一氧化碳CO, 乙炔C2H2,  乙烯C2H4, 乙烷C2H6, 氯甲烷CH3Cl, 氧硫化碳OCS, 氯化氢HCl, 次氯酸HOCl, 溴化氢HBr, 硫化氢H2S, 氢化氰HCN, 氨气NH3, 二氧化氮NO2, 二氧化硫SO2 , 葡萄糖glucose和许多其它物质。下面列出了部分气体在中红外范围的吸收带。
 
气体 吸收带(um) 气体 吸收带(um) 气体 吸收带(um) 气体 吸收带(um)
CH4 3.2-3.45 HCL 3.3-3.7 H2O 2.5-2.8,1.8-1.9 N2 4.0-4.54
C2H2 2.99-3.09 HOCL 2.6-2.9 CO2 4.2-4.3 NH3 2.27,2.94
C2H4 3.1-3.4 HBr 3.7-4.0 OH- 2.38-2.63 NO+ 4.08-4.44
C2H6 3.3 HI 2.27-2.3 H2CO 3.38-3.7 HNO3 5.74-5.98
CH3CL 3.22-3.38 H2S 3.7-4.4,2.5-2.8 CO 4.4-4.8 NO2 3.4
OCS 3.45,4.87 HCN 2.94-3.1 HO2 2.73-3.1 SO2 4.0

我们提供完整的产品线,封装有TO-18,TO-18PR,TO-18PRW,TO-5-TEC,TO-5-TEC-PR,SMD3,SMD5,SMD5R,SMD5R-3M,还提供LED组,LED阵列。

  TO-18 TO-18 with PR TO-5 TO-5 with PR TO-8
with/without window with/without thermoelectric module
applied to LED, PD LED, PD, LED-matrix LED-matrix
SMD Packages 3x3 mm 5x5 mm 5x5 mm
with microreflector
5x5 mm
for 3-element matrix
applied to LED LED-matrix

Light Emitting Diodes for 1600-2400 nm spectral range

LEDs for 1.6-2.4 µm spectral range are fabricated from narrow band-gap GaInAsSb/AlGaAsSb-based
heterostructures lattice matched to GaSb substrate.

  • Maximum operating current at quasi-CW mode is 250 mA;
  • Maximum operating current at pulse mode is 2 000 mA;
  • Switching time is 30-50 ns;
  • Operating temperature range is -200...+50 °C.
Model Peak emission
wavelength, nm
FWHM of the
emission band, nm
Power, mW Voltage, V Maximum operating
current, mA
Switching
time, ns
Operating
temperature
range, OC
QCW mode * Pulse mode **
min max min max min max min max QCW mode Pulse mode
Standard LED models (LED chip with circular or ring top contact) - LmsXXLED
Lms18LED 1.80 1.89 100 200 0.7 1.1 15 25 0.5-1.5 250 2000 10-30 -200...+50
Lms19LED 1.90 1.99 100 200 0.8 1.2 20 30 0.5-1.5 250 2000 10-30 -200...+50
Lms20LED 2.00 2.09 150 250 0.8 1.2 20 30 0.5-1.5 250 2000 10-30 -200...+50
Lms21LED 2.10 2.19 150 250 0.8 1.2 15 25 0.5-1.0 250 2000 10-30 -200...+50
Lms22LED 2.20 2.29 150 250 0.8 1.2 15 25 0.5-1.0 250 2000 10-30 -200...+50
Lms23LED 2.30 2.39 170 270 0.6 1.0 12 20 0.5-1.0 250 2000 10-30 -200...+50
LED Flip-Chip models (top surface of a LED chip is free of contacts) - LmsXXLED-FC
Lms16LED-FC 1.60 1.69 70 150 0.8 2.0 20 35 0.8-4.8 150-200 1000 10-30 -200...+50
Lms17LED-FC 1.70 1.79 100 160 0.8 2.0 20 35 0.8-4.8 150-200 1000 10-30 -200...+50
Lms18LED-FC 1.80 1.89 100 180 0.7 1.4 20 30 0.6-2.0 200 1000 10-30 -200...+50
Lms19LED-FC 1.90 1.99 100 180 0.8 1.6 20 35 0.6-2.4 200 1000 10-30 -200...+50
Lms20LED-FC 2.00 2.09 140 220 0.8 2.0 20 35 0.5-1.0 200 1000 10-30 -200...+50
Lms21LED-FC 2.10 2.19 200 300 0.8 2.5 20 40 0.6-2.8 200 1000 10-30 -200...+50
Lms22LED-FC 2.20 2.29 200 300 0.8 2.5 20 40 0.6-2.8 200 1000 10-30 -200...+50
Lms23LED-FC 2.30 2.37 200 340 0.8 1.4 20 30 1.2-2.8 200 1000 10-30 -200...+50

 * Repetition rate: 0.5 kHz, pulse duration: 1 ms, duty circle: 50%, current: 200 mA
** Repetition rate: 1 kHz, pulse duration: 1 µs, duty circle: 0.1%, current: 1 A
 

Light Emitting Diodes for 2800-5000 nm spectral range

Light Emitting Diodes for 2800-5000 nm spectral range are fabricated from narrow band-gap InAsSb/InAsSbP-based heterostructures lattice-matched to InAs substrate.

 

  • Maximum operating current at quasi-CW mode is 250 mA;
  • Maximum operating current at pulse mode is 2 000 mA;
  • Switching time is 30-50 ns;
  • Operating temperature range is -200...+50 °C.
Model Peak emission
wavelength, nm
FWHM of the
emission band, nm
Power, µW Voltage, V Maximum operating
current, mA
Switching
time, ns
Operating
temperature
range, OC
QCW mode * Pulse mode **
min max min max min max min max QCW mode Pulse mode
Standard LED models (LED chip with circular or ring top contact) - LmsXXLED
LMS34LED 3.30 3.49 400 600 25 45 320 480 0.2-0.5 250 2000 10-30 -200...+50
LMS34LED high power 3.30 3.49 400 500 45 80 480 720 0.2-0.5 250 2000 10-30 -200...+50
Lms38LED 3.70 3.84 500 700 20 40 180 220 0.5-0.8 250 2000 10-30 -200...+50
Lms39LED 3.85 3.94 550 750 15 30 180 220 0.5-0.8 250 2000 10-30 -200...+50
Lms41LED 3.95 4.09 700 1000 15 30 180 220 0.5-0.7 250 2000 10-30 -200...+50
Lms43LED 4.10 4.30 700 1000 8 12 180 220 0.2-0.8 250 2000 10-30 -200...+50
Lms46LED 4.40 4.60 800 1100 4 8 120 160 1.6-2.6 250 2000 10-30 -200...+50

 * Repetition rate: 0.5 kHz, pulse duration: 1 ms, duty circle: 50%, current: 200 mA
** Repetition rate: 1 kHz, pulse duration: 1 µs, duty circle: 0.1%, current: 1 A
LED发光二极管阵列和矩阵可用的 现提供LMS34LED-4M和LMS43LED-4M为提供输出功率的4芯片阵列 另外LMS34LED,LMS43LED价格更优惠,为CO2,CH4检测提供。

中红外发光二极管驱动
LED驱动D41/D51驱动器 提供不带致冷和带致冷2个版本

 

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