qCMOS Camera C15550-20UP / C15550-20UP01 Instruction manual_Ver.1.3
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4. OVERVIEW
The qCMOS camera (C15550-20UP / C15550-20UP01) utilizes a custom image sensor (quantitative
CMOS image sensor: qCMOS) using the latest CMOS design technologies and ultra-small
semiconductor technologies and realizes extremely low readout noise (0.27 electrons (r.m.s)).
Therefore, photon number resolving is realized within each pixel, enabling superior low light
performance and quantitativeness. In addition, the qCMOS camera provides higher speed, lower
noise, higher pixelcounts and a better resolution than Gen III sCMOS cameras. Therefore, the
qCMOS camera suitable for various applications not only life science microscopy but also physics
application like quantum technologies, Astronomy and spectroscopies.
* For more detail information of the qCMOS image sensor and the photon number resolving, refer
to the white paper (qCMOS: Quantitative CMOS technologies by Photon Number Resolving)
5. FEATURES
(1) Readout noise
The qCMOS camera adopts the qCMOS image sensor using the latest CMOS design technologies
and ultra-small semiconductor technologies and realizes extremely low readout noise (0.27
electrons (r.m.s)).
(2) Photon number resolving capability
Photon number resolving is realized within each pixel, enabling superior low light performance and
quantitativeness. The camera has a special mode called “Photon number resolving mode”. It can
output the digital data as photon number (one digital number per one photoelectron) by quantifying
the output digital data from AD converter to photon number with real time image processing.
(3) Pixel number and pixel size
The qCMOS image sensor has 9.4 megapixels. the pixel number is about 1.78 times that of the
conventional scientific CMOS image sensor. The pixel size is 4.6 µm × 4.6 µm for high resolution
imaging and is smaller than that of the conventional scientific CMOS camera (6.5 µm × 6.5 µm).
(4) Quantum efficiency
The adoption of the back side illuminated and deep trench isolation technologies between pixels
improves the quantum efficiency over a wide wavelength range from blue to near-infrared with
minimum crosstalk achieving a high quantum efficiency of 90 % and 33 % at 475 nm and 900 nm
wavelength, respectively.
(5) Readout methods
The camera has a variety of readout modes. In addition to full resolution readout mode (1×1), sub-
array readout and binning readout (2×2, 4×4) are supported.
Summary of Contents for C15550-20UP
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