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SPAD 23 - A photon detector array optimized in the green.

The SPAD 23 is a SPAD array with 23 hexagonally packed pixels with best-in-class performance. It features both the capability of direct photon-counting and photon-time tagging to enable a wide range of single-photon detection applications.

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모델명: SPAD 23

원산지: Switzerland

SPAD 23 - A photon detector array optimized in the green.

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SPAD 23

A photon detector array optimized in the green.

Ideal point detector

Wide detection spectra and low noise

High timing resolution

Plug and play

SPAD 23, advanced single-photon detector array

*Other product names: SPAD23G.
For consistency and clarity, note that these names refer to the same product.

Ideal point detector

SPAD 23 Green is the ideal solution for a confocal scanning setup. Each pixel can act as a virtual pinhole, increasing resolution and contrast.

Wide detection spectra and low noise

Our single-photon detectors are fabricated in a state-of-the-art CMOS process and offer an ultra-low dark count rate of less than 100 cps. Microlenses enhance the detection with a peak detection efficiency of over 45%.

High timing resolution

Real-time processing of photon events occurs in a field-programmable gate array. The detector can process up to 180 Mcps over the whole array. Time-to-digital converters per pixel enable a fine timing resolution down to 20 ps at a maximum photon flux of 70 Mcps.

Plug and play

The system requires just a 5V power adapter and USB3 cable to run. For full flexibility, 4 additional control lines can be connected to the SMA connectors. The SM1 optical port, the M2.5 and the M4 screw mounting positions offer a flexible integration into an existing optical setup.

To showcase real life examples of our detector in various applications, we refer to our applications page.

Technical specifications

Properties	SPAD 23
Array size	23 pixels
Peak detection probability	55% @ 520 nm
Wavelength window	400—950 nm
Fill factor (collimated light)	>80%
Median dark count rate	<100 cps
Maximum pixel count rate	7.8 Mcps
Maximum system bandwidth (USB-3)	3 Gbps
Maximum photon throughput (counting mode)	180 Mcps
Maximum photon throughput (timing mode)	70 Mcps
Timing resolution Standard system	10 ns
Timing resolution TDC system	20 ps
Timing synchronous to Standard System	internal clock
Timing synchronous to TDC System	laser clock
Power consumption Standard System	<1 W
Power consumption TDC System	<2 W
External SMA triggers Standard System	dwell clock line clock frame clock
External SMA triggers TDC System	dwell clock line clock frame clock laser clock
Peltier cooling	✔
Protective glass window	✔
Robust metal enclosure	✔