Product Info.

O/E Converter

*O/E Converter : SPA-2_650nm
(Max Core = 1mm, Max NA = 0.5, 1,000V/W@658nm, DC to 1GHz)

* For High Speed POF:φ1mm (Max.core:φ1.0mm and Max.NA:0.5)
* High sensitivity: 1000V/W
* Wide range of receivable wavelength: 400nm to 1000nm
* Wide range of Convertible Frequency Bandwidth: DC to 1.0GHz
* Single DC powered from +12V to +18V
* Low output offset voltage: 0.5mV or less
* Compact: 103mm x 44mm x 21mm
* Lightweight: 130g
* Equips a silicon PIN Photodiode configured with unique lens system
* Reasonable price:JPY 290,000 for direct sales
 (Excluded tax and shipping cost)

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

[2] Lens System


Maximum Acceptable Diameter = 1.0mm
Maximum Acceptable NA = 0.5
Diameter of PD = 0.8mm
Optical Magnification = 0.8

[3] Spectral Sensitivity (by calculation)


Reference wavelength: 658nm

Maximum sensitivity: at 770nm

Sensitivities vs wavelength

Sensitivity Wavelength
296 V/W 400nm
535 V/W 500nm
829 V/W 600nm
1090 V/W 700nm
1240 V/W 800nm
1063 V/W 900nm

[4] Step Response and Frequency Characteristics (Example)


Step Response of SPA-2_650nm
Rise time: 360ps, Overshoot : 2.87%
Frequency Characteristics of SPA-2_650nm
-3dB (Electrical) Frequency : Approx. 1.0GHz

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