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June 19, 2015
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June 19, 2015
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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 225mm² 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

Overview

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 225mm² 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.

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

360ke⁻/pixel
(at standard binning, 2 x 2)

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

40 frames/second

177μm

490 x 1440 pixels

5 X 5
Readout Speed

Pixel Size

Frame Size

55 frames/second

220μm

384 x 1152 pixels

6 X 6
Readout Speed

Pixel Size

Frame Size

75 frames/second

266μm

320 x 960 pixels

8 X 8
Readout Speed

Pixel Size

Frame Size

100 frames/second

354μm

240 x 720 pixels

10 X 10
Readout Speed

Pixel Size

Frame Size

140 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

175cm x 64cm x 64cm
 215kg