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应用：
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特点：
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Monitoring the output of Q-switched lasers
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Monitoring the output of mode-licked lasers
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Monitoring the output of externally modulated CW lasers
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Time domain and frequency response measurements
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All photodetectors come with their own internal or external power
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Combination 110/220VAC external power supply for externally biased models
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Available with optional FC or SMA input receptacle
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Model No.
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ET-2000
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ET-2020
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ET-2030
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ET-2040
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Detector Type
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PIN
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PIN
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PIN
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PIN
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Spectral Response
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See Product Info PDF
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See Product Info PDF
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See Product Info PDF
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See Product Info PDF
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Risetime
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<200ps
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<1.5ns
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<300ps
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<30ns
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Falltime
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<350ps
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<1.5ns
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<300ps
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<30ns
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Responsivity @830nm
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0.4mA/W
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0.5A/W
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0.4A/W
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0.5A/W
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Bias Voltage
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3V
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24Va
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9V
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24Va
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Cut Off Frequency (into 50?)
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>1.5GHz
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>200MHz
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>1.2GHz
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>25MHz
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Active Area
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0.006mm2
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2.55mm dia.
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0.4mm dia.
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4.57mm dia.
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Dark Current
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<1nA
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<10nA
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<0.1nA
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<20nA
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Junction Capacitance
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<4pF
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<10pF
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<1.5pF
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<45pF
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Reverse Breakdown Voltage
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40V
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150V
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20V
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50V
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Acceptance Angle (1/2 Angle)
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20°
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50°
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30°
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60°
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Noise Equivalent Power (pW/√Hz)
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<0.1
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<1.0
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<0.0015
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<0.16
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Max linear ratings
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20ns pulse at
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cw density: 5mA/mm2
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10mA
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cw current: 2mA
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20mJ for 3mm dia beam (damage)
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pulse density: 20mA/mm2
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optical input: 3mW
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Connector
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BNC
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BNC
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BNC
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BNC
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Mounting (Tapped Hole)
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8-32 and M4
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8-32 and M4
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8-32 and M4
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8-32 and M4
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