C30902SH系列单光子计数器

C30902SH系列单光子计数器可用于线性模式（VR<VBR）,也可以工作在盖革模式（Geiger mode）（VR>VBR）。该系列光子计数器被广泛用于生物、医学、粒度分析等超灵敏光子测量领域。
C30902SH-TC（一级制冷）及C30902SH-DTC(二级制冷)单光子计数器使用TE Cooler实现精确的温度温控，极大的改善了噪声和相应度。并保证在很宽的工作温度范围里保持恒定的量子效率。



C30902SH
Active Area 0.2 mm&sup2;
Active Diameter 0.5 mm
Dark Current 15/<30 nA
Gain 250
NEP 0.9 fW/ √Hz
Responsivity 108 A/W at 900 nm, 120 A/W at 830 nm
Rise/Fall Time 0.5/<0.75 ns
Temperature Coefficient 0.7/<0.9 V/° C
Breakdown Voltage >185 V, <265 V
Capacitance 1.6/<2 pF
Package TO-18, flat window
Peak Sensitivity Wavelength 830 nm




C30902SH-TC

Active Area 0.2 mm&sup2;
Active Diameter 0.5 mm
Dark Current 2 nA
Gain 250
Responsivity 108 A/W at 900 nm, 128 A/W at 830 nm
Rise/Fall Time 0.5 ns
Capacitance 1.6/<2 pF
Noise Current 0.04 pA/√Hz
Package TO-8 flange
Peak Sensitivity Wavelength 830 nm




C30902SH-DTC

Active Area 0.2 mm&sup2;
Active Diameter 0.5 mm
Dark Current 1 nA
Gain 250
Responsivity 108 A/W at 930 nm, 128 A/W at 830 nm
Rise/Fall Time 0.5 ns
Capacitance 1.6/<2 pF
Noise Current 0.02 pA/√Hz
Package TO-8 flange
Peak Sensitivity Wavelength 830 nm