When used in conjunction with a modulated light source and a lock-in amplifier to reduce the measurement bandwidth, the Newport Photoreceiver Module achieves sensitivity levels in the femtowatt range.
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This battery-operated photoreceiver has high gain and detects CW light signals in the sub-picowatt to nanowatt range. When used in conjunction with a modulated light source and a lock-in amplifier to reduce the measurement bandwidth, it achieves sensitivity levels in the femtowatt range. For this Newport product doric offers add-on fiber optic adapter that improves coupling efficiency between the large core, high NA optical fibers used in Fiber Photometry and relatively small detector area. Its output analog voltage (0-5 V) can be monitored with an oscilloscope or with a DAQ board to record the data with a computer.
|Amplification level||Low |
|Conversion gain||1E10 |
1E11 V/W (Max)
|Transimpedance gain||2E10 |
|Saturation||0.5 nW (peak)|
|Responsivity||0.5 A/W (peak)|
|NEP||less than 16 fW/√Hz|
|Wavelength range||320-1050 nm|
|Peak Sensitivity Wavelength||900 nm|
|Output impedance||100 Ohm|
|Bandwidth||DC-750 Hz (DC), 30-750 Hz (AC) at -3dB|
|Dimensions||107 mm x 64 mm x 45 mm|
|Detector Size||1.0 x 1.0 mm|
This FPGA based data acquisition unit synchronizes the output control and the acquisition of the input data. This device seamlessly integrates with Doric Neuroscience Studio, which provides the user-interface for multi-channel photometry experiments.