The 1444 NIR Fiber-Optic Detector is for those applications requiring fast time resolution with a guaranteed 18.5 ps rise time. This InGaAs photodetector provides clean, fast impulse responses with minimal ringing over a 500 to 1630 nm wavelength range, making it ideal for time-domain applications and short-pulsed-laser measurements. It has a single-mode FC connector.

• 探测器材料

  InGaAs

• 探测器直径

  21 µm

• 探测器类型

  PIN

• 波长范围

  500-1630 nm

• 3 dB 带宽

  DC to 20 GHz

• 最大转换增益

  15 V/W

• 响应度

  0.7 A/W

• 光纤接头

  FC/UPC

• 光纤类型

  Singlemode

• 上升时间

  18.5 ps

• NEP

  30 pW/√Hz

• 饱和功率

  2 mW

• 输出接头

  Wiltron K

• 输出阻抗

  50 Ω

• 直流偏置监测带宽

  50 kHz

• 直流偏置监测增益

  1 V/mA

• 电源要求

  Internal 9-V battery

Typical frequency response of the Model 1444 . Input power was 1 mW at 1.06 µm. Measurement accuracy is ±1.5 dB up to 25 GHz.

This impulse response, typical of the Models 1444 , was measured with a 50-GHz scope and a 150-fs full-width-at-half-maximum input pulse at 1.06 µm.

1444近红外光纤探测器是为那些需要快速的时间分辨率和保证18.5 ps上升时间的应用。这种InGaAs光电探测器提供了干净、快速的脉冲响应，在500到1630纳米波长范围内的最小振铃，使它成为时域应用和短脉冲激光测量的理想设备。它有一个单模FC连接器。