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Fast Optical Power Meters

  • Adjustable Conversion Gain from 103 to 1011 V/W
  • Equ. Input Noise down to 10 fW/√Hz
  • Bandwidth up to 500 kHz
  • Rise Time down to 700 ns
  • Calibration Traceable to NIST Standards
  • Signal Filters
  • Manual and Remote Control

The Ultimate High-Speed Power Meter

The OE-200 Adjustable-Gain Photoreceiver is designed for a wide range of applications that require the fast measurement of low light levels. With its maximum bandwidth of 500 kHz it is ideally suited for time resolved measurements down to the sub μs-region, as fast photo detector in industrial process control and quality inspection systems and as the optical front-end for lock-in amplifier systems. The OE-200 offers many more features than usual power meters including selectable conversion gain from 103 to 1011 V/W, switchable AC/DC-coupling, and the capability of manual and opto-isolated remote control by a PC.

Exceptional Performance also in Low-Speed and Low Light Level Applications

Besides the use in high speed applications the OE-200 also shows top performance when it comes to the measurement of slow varying, continuous wave (cw) or low light level signals. The low-noise multi-stage amplifier design and the switchable 10 Hz lowpass filter allows the precise measurements of low optical powers down to the 100 fW range without the need for further averaging.

Calibration Traceable to NIST Standards

  • Fiber Alignment Systems
  • Fast Power Monitoring
  • Test of Laser-Diode to Fiber Coupling
  • Linearity Measurements over 10 Decades
  • Calibration of Optical Communication Systems
  • Time-resolved Pulse and Power Measurements

Fast Optical Power Meters

Spectral Range320-1060 nm190-1000 nm900-1700 nm900-1700 nm
Calibrated Wavelength830nm830 nm1300 nm1550 nm
Max Bandwidth [- 3 dB]DC ... 500 kHzDC ... 500 kHzDC ... 500 kHzDC ... 500 kHz
Rise Time(10%-90%)700 ns700 ns700 ns700 ns
Conversion Gain Range103 - 1011 V/W103 - 1011 V/W103 - 1011 V/W103 - 1011 V/W
Min NEP10 fW/√Hz17 fW/√Hz8 fW/√Hz7 fW/√Hz
Optical Power Input Rangeca. 100 fW ... 2 mWca. 200 fW ... 2 mWca. 100 fW ... 2 mWca. 100 fW ... 2 mW
Ø 1.2mm
1.1 x 1.1mm2
Ø 0.3mm
Ø 0.3mm
InputFree Space, FC, SMAFree Space, FC, SMAFree Space, FC Free Space, FC
Output Voltage Range±10 V > @ 1 MΩ load
Accuracy± 1 % Electrical, ± 5 % Electro Optical for Fiber Optic Models,
± 15 % Electro Optical for Free Space Models
Lowpass FilterSwitchable to 10 Hz
Power Requirements±15 V, +150 mA/-100 mA Typ.
Control Interface5 opto-isolated digital Inputs, TTL/CMOS compatible,
Analog Offset Control Voltage Input
Interface Software OptionLUCI-10 Control Interface Software and Hardware option
Case170 x 60 x 45 mm (L x W x H), Weight 320 g (0.74 lbs)
Offset adjustable by trimpot or external control voltage. LED overload indication. Output short-circuit protected. Power supply via 3-pin LEMO socket. A mating connector is provided with the device. Optional power supply PS-15 is available. For further information please view the datasheet.
The following characteristics are valid for all versions:

Performance RangeLow NoiseHigh Speed
Conversion [V/W]10310410510610710810910510610710810910101011
Bandwidth [- 3 dB] [kHz] 5005004002004571.25005004002004571.2
Rise Time(10%-90%)700ns700ns900ns1.8μs8μs50μs300μs700ns700ns900ns1.8μs8μs50μs300μs
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