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  • PyLoN CCD Cameras
Aug 2011
Princeton InstrumentsRequest Info
TRENTON, N.J., Aug. 2, 2011 — Princeton Instruments' PyLoN series controllerless, cryogenically cooled CCD cameras are designed for quantitative spectroscopy applications that demand high sensitivity.

The first commercially available models are the PyLoN:100 and PyLoN:400, dual-amplifier cameras that use 1340 × 100 and 1340 × 400 sensors, respectively.

In creating the new platform, the company redesigned its Spec-10 family of cameras to remove the external controller, increasing experimental flexibility and improving the ultralow-noise electronics. Liquid nitrogen cooling virtually eliminates dark current, and indium metal seals enhance vacuum longevity. Binning noise has been reduced.

Both cameras provide dual amplifiers and software-selectable gain that permits operation in high-sensitivity mode for Raman or single-molecule spectroscopy, and in high-capacity mode for fluorescence spectroscopy. The 2-mm array height of the PyLoN:100 facilitates rapid spectral acquisition, and the 8-mm array height of the PyLoN:400 is suitable for multiplexed spectroscopy.

The CCDs feature 20 × 20-µm pixels, offering researchers a combination of high resolution and a wide dynamic range. The cameras deliver analog-to-digital conversion rates of up to 4 MHz, with digital bias stabilization and correlated double sampling for decreased read noise and improved linearity. Kinetics mode allows microsecond-resolved kinetic spectral acquisition, and custom sensor mode increases control over the camera readout, enabling spectral rates of >1000 fps.

The cameras run on 32- and 64-bit Microsoft Windows operating systems and are fully supported by proprietary LightField 64-bit data acquisition software featuring patent-pending IntelliCal wavelength and intensity calibration packages. The Gigabit Ethernet interface enables remote operation via a single cable without the need for custom frame grabbers. The cameras are available with or without a 40-mm shutter.


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correlated double sampling
A technique for removing thermal noise and drift from focal plane assemblies by sampling the system output between views of scene elements and then subtracting the resulting value from the subsequent reading.
fluorescence spectroscopy
The spectroscopic study of radiation emitted by the process of fluorescence.
Raman spectroscopy
That branch of spectroscopy concerned with Raman spectra and used to provide a means of studying pure rotational, pure vibrational and rotation-vibration energy changes in the ground level of molecules. Raman spectroscopy is dependent on the collision of incident light quanta with the molecule, inducing the molecule to undergo the change.  
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