Product Info.

O/E Converter

*O/E Converter : SPD-1_650nm and SPD-1_850nm
(Max Core = 0.8mm, Max NA = 0.2, 500V/W@658nm or 850nm, DC to 1.2GHz)

Features:
* High sensitivity: 500V/W
* Wide range of receivable wavelength: 320nm to 1000nm
* Wide range of Convertible Frequency Bandwidth: DC to 1.2GHz
* Equips a silicon PIN Photodiode with a ball lens
* Low output offset voltage: 0.5mV or less
* Compact: 93mm x 44mm x 21mm
* Lightweight: 110g
* Reasonable price:JPY 230,000 for direct sales
 (Excluded tax and shipping cost)

[1] Specifications
[2] Spectral Sensitivity (by calculation)
[3] Step Response and Frequency Characteristics (Example)
[4] Responding characteristics of the PD in a range of convertible frequency bandwidth
[5] options


[1] Specifications

Item \ Model Name

SPD-1_650nm SPD-1_850nm
Reference Wavelength 658nm 850nm
Receivable Wavelength Range 320 to 1000nm 320 to 1000nm
Maximum Core Diameter φ0.8mm φ0.8mm
Acceptable NA. Range 0.2 or less 0.2 or less
Optical Input Connector (Standard) FC receptacle FC receptacle
Photodetector Type Si PIN PD Si PIN PD
Active diameter of Photodetector φ0.4mm φ0.4mm
Sensitivity
(Conversion Gain at Reference Wavelength)
500V/W 500V/W
Output Saturation Optical Input Power
(Reference Wavelength)
-1dBm -1dBm
Convertible Frequency Bandwidth DC to 1.2GHz DC to 1.2GHz
Output Noise Level 1.3mVrms or less 1.3mVrms or less
Noise Equivalent Optical Power at Reference Wavelength -26.0dBm or less -26.0dBm or less
Electrical Output Connector
(Standard)
BNC plug BNC plug
Output Impedance 50 ohms 50 ohms
Output Offset Voltage 0.5mV or less 0.5mV or less
DC Power Connector LEMO 0S-4P LEMO 0S-4P
Supply Voltage DC±15V DC±15V
Supply Current +150mA/-50mA +150mA/-50mA
Dimensions [mm] 93 x 44 x 21 93 x 44 x 21
Weight
Approx. 110g Approx. 110g

[2] Spectral Sensitivity (by calculation)

SPD-1_650nm

Reference wavelength: 658nm

Maximum sensitivity: at 770nm

Sensitivities vs wavelength


Sensitivity Wavelength
148 V/W 400nm
267 V/W 500nm
414 V/W 600nm
545 V/W 700nm
562 V/W 800nm
395 V/W 900nm

SPD-1_850nm

Reference wavelength: 850nm

Maximum sensitivity: at 770nm

Sensitivities vs wavelength


Sensitivity Wavelength
149 V/W 400nm
269 V/W 500nm
417 V/W 600nm
549 V/W 700nm
566 V/W 800nm
398 V/W 900nm

[3] Step Response and Frequency Characteristics (Example)

SPD-1_650nm

Receivable Wavelength Range Reference Wavelength
Step Response of SPD-1_650nm
Rise time: 287.2ps, Overshoot : 0.43%
Frequency Characteristics of SPD-1_650nm
-3dB (Electrical) Frequency : Approx. 1.2GHz

SPD-1_850nm

Receivable Wavelength Range Reference Wavelength
Step Response of SPD-1_850nm
Rise time: 293ps, Overshoot : 0.81%
Frequency Characteristics of SPD-1_850nm
-3dB (Electrical) Frequency : Approx. 1.2GHz

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