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SPAD Cameras

from Pi Imaging

SPAD arrays are extremely fast single-photon detectors in either square, line or hexagonal geometry. They can be used stand-alone cameras, as part of a microscope, mounted on a spectrograph or in a confocal scanning setup. They allow capturing frames at a spatial resolution with up to 1024 x 1024 pixels with 16 µm pitch. Optical gating is possible on the chip level. The time resolution is given by the minimum gate width of 6 ns.

Hexagonal and line arrays are available with a time tagger with up to 20 ps timing precision. This enables confirming photon correlations and fluorescence lifetime measurements. The spectroscopic linear array has got 320 pixels and can be read out with up to 555,000 fps. The SPAD Alpha camera is available as a monochrome camera or as a color camera with a RGB mask.

Features

Linear, square and hexagonal sensors
400-900 nm
16 µm pixel pitch
50% peak detection probability
optional microlens array
up to 100,000 fps

Specifications

	SPAD 512S	SPAD Alpha	SPAD23	SPAD23 Red	SPAD93	SPADlambda
Sensor resolution	512x512	1024x1024	23 hexagonal	23 hexagonal	93 hexagonal	320x1 line
Wavelength range		400-900 nm	440-660 nm	520-820 nm	440-660 nm	400-900 nm
Frame rate @ 1bit	100,000 fps	73,000 fps				555,000 fps
Frame rate @ 8bit	400 fps	287 fps
Dark count rate	<50 cps	<100 cps	<100 cps	<100 cps	<100 cps	<350 cps
Optical gating	√	√	X	X	X	√
Time tagging	X	X	√	√	√	√