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LX255-HS


Three modules of high speed frame-transfer CCDs bonded to fiber-optic tapers, fused at the front to eliminate gaps in the imaging area. The imaging area is 85 x 255mm² in size, with a special notch at the short edge to allow SAXS data (and the direct beam) to pass, while WAXS data is collected.

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Description
This 85 x 255mm² X-ray detector has several specialized modes. Besides the standard mode described in the specs and parameter sections, Turbo, Low-Noise and High Dynamic Range (HDR) modes are also user controlled.
Technical Specifications
Type

3 FT-CCDs bonded to fiber-optic tapers
Sensor

Proprietary Rayonix frame-transfer CCD
Active Imaging Surface

85mm x 255mm, 21600mm²
Dark Current

0.003e⁻/pixel/second, or
0.0004 photons/pixel/second (12keV)
Dead Time Between Images

1 millisecond
DQE

0.8 for 12keV X-rays
Fiber-optic Taper Demagnification Ratio

2.92:1
Full Well Capacity

360,000e-/pixel @ std. 2×2 binning
Phosphor

standard 40μm thick, custom options available
PSF (FWHM) Depends on Phosphor Option Chosen

100μm with standard phosphor, 65μm with 25μm phosphor
Readout Electronics (# of Channels)

48 channels
Readout Noise

High Speed Mode: 8e⁻/pixel
Low Noise Mode: 4e⁻/pixel
Sensitivity (Gain)

7e⁻/12keV photon
Sensor Operating Temperature

-80°C
Cooling

Closed-cycle refrigeration
User-Configurable Imaging Parameters
1 X 1
Readout Speed

Pixel Size

Frame Size

 2.5 frames/second

44μm

1920 x 5760 pixels
2 X 2
Readout Speed

Pixel Size

Frame Size
10 frames/second

89μm

960 x 2880 pixels
3 X 3
Readout Speed

Pixel Size

Frame Size

 20 frames/second

133μm

640 x 1920 pixels
4 X 4
Readout Speed

Pixel Size

Frame Size

 33 frames/second

177μm

490 x 1440 pixels
5 X 5
Readout Speed

Pixel Size

Frame Size

 47 frames/second

220μm

384 x 1152 pixels
6 X 6
Readout Speed

Pixel Size

Frame Size

 62 frames/second

266μm

320 x 960 pixels
8 X 8
Readout Speed

Pixel Size

Frame Size

 92 frames/second

354μm

240 x 720 pixels
10 X 10
Readout Speed

Pixel Size

Frame Size

 123 frames/second

440μm

192 x 576 pixels
Physical Dimensions
Detector Head
Height x Width x Depth

Approximate Weight

 37cm x 30cm x 26cm

30kg
Electronics / Cooling Assembly
Height x Width x Depth

Approximate Weight
117cm x 64cm x 64cm (cooling)
 215kg

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