Product Info.

O/E Converter

*O/E Converter : SPD-3
(Max Core = 0.5mm, Max NA = 0.25, 500V/W@850nm, DC to 2GHz)

Features:
* Suitable for multiple wavelength
* Flat and stable frequency response up to high frequency range by equipping a silicon PIN Photodiode of which frequency characteristics does not depend on wavelength
* Employ unique lens system
* Max. NA: 0.25, Max. core diameter: 0.5mm
* Wide range of receivable wavelength: 380nm to 950nm
* Wide range of convertible frequency Bandwidth: DC to 2.0GHz
* High sensitivity: 500V/W
* Compact: 103mm x 44mm x 21mm
* Lightweight: 130g
* Equips a silicon PIN Photodiode configured with unique lens system
* Reasonable price:JPY 310,000 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

SPD-3

Maximum core diameter of POF: 0.5mm
Maximum NA: 0.25
Diameter of Photo Diode: 0.2mm
Optical Magnification: 0.4


[3] Spectral Sensitivity (by calculation)

SPD-3

Reference wavelength: 850nm

Maximum sensitivity: at 700nm

Sensitivities vs wavelength


Sensitivity Wavelength
264 V/W 400nm
438 V/W 500nm
652 V/W 600nm
772 V/W 700nm
639 V/W 800nm
341 V/W 900nm

[4] Step Response and Frequency Characteristics (Example)

SPD-3

Receivable Wavelength Range Reference Wavelength
Step Response of SPD-3
Rise time: 169ps, Overshoot : 11%
Frequency Characteristics of SPD-3
-3dB (Electrical) Frequency : Approx. 2.0GHz

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