O/E Converter-Graviton

O/E Converter

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LPS-2

- ** Japanese version **
Visible wavelength O/E
(Max NA = 0.2, 0.25)
Visible wavelength O/E
(Max NA = 0.5)
- SPA-2_650nm
- SPA-3
- SPA-4
Visible wavelength O/E
(Hi-Sensitivity)
- SPS-1
- SPS-2
NIR wavelength O/E
- LPD-1
- LPD-2
- LPS-1
- LPS-2

*O/E Converter : LPS-2_20KV/W
(Max Core = 0.5mm, Max NA = 0.25, 20KV/W@1310nm, DC to 100MHz)

Features:
* For IR wavelength: 950nm to 1650m
* Super High Sensitivity: 20,000V/W
* Maximum NA: 0.25
* Maximum core diameter: φ0.5mm
* Wide range of convertible frequency Bandwidth: DC to 100MHz
* Low output offset voltage: 0.5mV or less
* Compact: 103mm x 44mm x 21mm
* Lightweight: 130g
* Equips an InGaAs PIN Photodetector with original lens system and FET Input type Transimpedance Amplifier
* Reasonable price:JPY 320,000 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] options

[1] Specifications

Item \ Model Name	LPS-2_20KV/W
Reference Wavelength	1310nm
Receivable Wavelength Range	950nm to 1650nm
Maximum Core Diameter	φ0.5mm
Acceptable NA. Range	0.25 or less
Optical Input Connector (Standard)	FC receptacle
Photodetector Type	InGaAs PIN PD
Active diameter of Photodetector	φ0.2mm
Sensitivity (Conversion Gain at Reference Wavelength)	20,000V/W
Output Saturation Optical Input Power (Reference Wavelength)	-11.2dBm
Convertible Frequency Bandwidth	DC to 100MHz
Output Noise Level	1.0mVrms or less
Noise Equivalent Optical Power at Reference Wavelength	-43dBm or less
Electrical Output Connector (Standard)	BNC plug
Output Impedance	50 ohms
Output Offset Voltage	0.5mV or less
DC Power Connector	LEMO 0S-4P
Supply Voltage	DC±15V
Supply Current	+80mA/-50mA
Dimensions [mm]	103 x 44 x 21
Weight	Approx. 130g

[2] Lens System

LPS-2-20KV/W

Maximum Acceptable Diameter = 0.5mm
Maximum Acceptable NA = 0.25
Diameter of PD = φ0.2mm
Optical Magnification = 0.4

[3] Spectral Sensitivity (by calculation)

LPS-2_20KV/W

Reference wavelength: 1310nm

Maximum sensitivity: at 1570nm

Sensitivities vs wavelength

Sensitivity	Wavelength
3,700 V/W	900nm
12,900 V/W	1,000nm
15,400 V/W	1,100nm
17,600 V/W	1,200nm
21,400 V/W	1,400nm
22,500 V/W	1,500nm
22,700 V/W	1,600nm

[4] Step Response and Frequency Characteristics (Example)

LPS-2_20KV/W



Step Response of LPS-2_20KV/W Rise time: 3.82 ns, Overshoot : 3.42%	Frequency Characteristics of LPS-2_20KV/W -3dB (Electrical) Frequency : Approx. 100MHz