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Precisometer · Official representative

Direct VUV, EUV & X-ray

ALEX-s

Direct-detection CCD spectroscopy for VUV, EUV and X-ray experiments, with a vacuum flange interface to the experiment.

ALEX-s

Representative manufacturer photograph; housing and connectors depend on the selected configuration. Select the photograph to enlarge.

Detector
Full-frame scientific CCD
Digitization
18-bit
Data interfaces
Gigabit Ethernet and USB 3.0
Environment
Vacuum flange; cooling configuration dependent
Sensor choices
Front-illuminated, back-illuminated and deep-depletion options; model dependent

From photon to signal

QE & spectral response.

Full specifications

Select the sensor coating for the actual wavelength or photon energy. The plots below preserve the manufacturer’s axes, legends and response conditions.

Platform QE, up to
98%

Select a figure to inspect the original axes, legend and curves.

Original manufacturer curves for the sensor and coating codes shown in the legend. Match the selected code to the performance matrix; the curves are reference response data, not a guaranteed value at every wavelength. The direct-detection plots retain photon-energy and wavelength axes. The separate silicon electron–hole-pair plot is not a QE curve.

Quantum efficiency & spectral response

Quantum efficiency & spectral response — enlarged manufacturer figure

Original manufacturer curves for the sensor and coating codes shown in the legend. Match the selected code to the performance matrix; the curves are reference response data, not a guaranteed value at every wavelength. The direct-detection plots retain photon-energy and wavelength axes. The separate silicon electron–hole-pair plot is not a QE curve.

The details behind the selection

Full technical specifications.

Compare sensor configurations, coating options, operating limits and integration details directly below. Check the operating mode and temperature alongside each performance value.

01

Sensor configurations & performance

12 parameters
Sensor configurations & performance
ALEXs SeriesALEXs 1k128ALEXs 1k256ALEXs 2k512
Sensor codeFIFI FI DD BI UV1FI BI BI UV1
Usable pixels (columns x rows)1024 x 1271024 x 2552048 x 515
Active image area26.6 mm x 3.3 mm26.6 mm x 6.7 mm27.6 mm x 6.9 mm
Pixel size26 µm x 26 µm26 µm x 26 µm13.5 µm x 13.5 µm
Full well capacity500 ke-500 ke- / 700 ke- (DD)100 ke-
Register well capacity1 000 ke-1 000 ke- / 1 400 ke- (DD)400 ke-
Typical read noise (e-) @ 50 kHz @ 1 MHz @ 3 MHz4.4 11.0 25.0FI 4.2 12.0 25.0BI 6.0 13.1 26.03.5 6.8 10.7
Dark Current @ -100°C0.0004 e-/pixels/s0.0004 e-/pixels/s 0.005 e-/pixels/s (DD)0.00025 e-/pixels/s
Standard Mode gain0.4 counts/e-0.4 counts/e-1 counts/e-
High Capacity Mode gain--0.34 counts/e-
CCD sensor typeFront-illuminated (FI), Back-illuminated (BI), Deep depletion (DD), Enhanced back-illuminated (BI UV1)
Blemish specificationsGrade 0 or Grade 1 (standard) as specified by sensor manufacturer.

Compare performance at the stated readout frequency or acquisition mode, sensor temperature and coating. A dash does not mean zero.

02

Common camera specifications

19 parameters
Common camera specifications
ParameterPublished specification
Pixel readout frequency50 kHz, 250 kHz, 1 MHz, 3 MHz (5 MHz for visualisation mode)
AD converter resolution18-bit
LinearityBetter than 99%
CCD epitaxial thickness15 µm standard, 40µm for deep depletion (DD) models
Flange typesISO-F DN63, knife-edge sealed CF DN63, CF DN100, CF DN160, CF DN200
Vacuum compatibilityWith CF flange: 10⁻¹⁰ mbar (UHV capability)
Bakeout temperatureMax. +80°C
Distance flange - focal plane6 mm for CF DN63, 8 mm for CF DN100 (can be customised)
CCD sensor cooling-100°C to 20°C, forced air or liquid cooling
Temperature monitoringTwo thermistors at CCD sensor and thermoelectric cooler (hot side)
Data linkGigabit Ethernet, USB 3.0
Softwaregreateyes Vision software for Windows 11
SDK and driversDLL for Windows; LabVIEW, EPICS, Linux, Python, Tango driver (optional)
TTL interface signalsSync out, shutter out, 2 external trigger in
Operating conditionsTemperature: 0°C to 35°C ambient, relative humidity <80% (non-condensing)
Power supply80-264 VAC (115/230 typical), 47-63 Hz (50/60 typical), max. 1.1 A (230 VAC), 1.9 A (115 VAC)
CertificationCE
Dimensions (W x H x L)Camera body: 8.3 cm x 10.0 cm x 10.9 cm (3.27" x 3.94" x 4.29")
Weight2.9 kg (with CF DN63 flange)
03

Vacuum interface flange options

4 parameters
Vacuum interface flange options
Order CodeDescription
CF1Knife-edge sealed CF DN63 flange with threaded holes
CF2Knife-edge sealed CF DN100 flange with through holes
CF4Rotatable, knife-edge sealed CF DN100 flange with through holes
We also provide quick release, rotatable, and other flanges of various sizes - please let us know your requirements
04

ALEXs 1k128 — dimensions & configuration

7 parameters
ALEXs 1k128 — dimensions & configuration
ParameterPublished specification
Image area26.6 mm × 3.3 mm
Pixel format1024 × 127 pixels
Pixel size26 µm × 26 µm
CCD sensor coolingMin. -100°C to 20°C, liquid cooling or forced air
Distance flange - focal plane6.0 mm for CF DN63 or8 mm for CF DN100
Dimensions (W x H x L)8.3 cm × 10.0 cm × 10.9 cm (3.27" × 3.94" × 4.29")
Weight2.9 kg
05

ALEXs 1k256 — dimensions & configuration

7 parameters
ALEXs 1k256 — dimensions & configuration
ParameterPublished specification
Image area26.6 mm × 6.7 mm
Pixel format1024 × 255 pixels
Pixel size26 µm × 26 µm
CCD sensor coolingMin. -100°C to 20°C, forced air or liquid cooling
Distance flange - focal plane6 mm for CF DN63
Dimensions (W x H x L)8.3 cm × 10.0 cm × 10.9 cm (3.27ʺ × 3.94ʺ × 4.29ʺ)
Weight2.9 kg (with CF DN63 flange)
06

ALEXs 2k512 — dimensions & configuration

7 parameters
ALEXs 2k512 — dimensions & configuration
ParameterPublished specification
Image area27.6 mm × 6.9 mm
Pixel format2048 × 515 pixels
Pixel size13.5 µm × 13.5 µm
CCD sensor coolingMin. -100°C to 20°C, forced air or liquid cooling
Distance flange - focal plane6 mm for CF DN63
Dimensions (W x H x L)8.3 cm × 10.0 cm × 10.9 cm (3.27ʺ × 3.94ʺ × 4.29ʺ)
Weight2.9 kg (with CF DN63 flange)
07

Included software & equipment

7 parameters
Included software & equipment
Order codeIncluded equipment
GE-VI01greateyes Vision software suite for Windows
GE-SDK01SDK for Windows (C/C++ based)
GE-USB3m33 m USB 3.0 cable type A to type C
GE-GigE10m10 m Ethernet cable
GE-StoB2m2 m SMB to BNC connection cable x2
GE-POW01Camera power supply with cabling
GE-ManCamCamera instruction manual
08

Compatible accessories, cooling & drivers

7 parameters
Compatible accessories, cooling & drivers
Order CodeDescription
Accessories for Imaging Purposes
AL-SR4545 mm shutter, including shutter driver module (compatible with CF DN100 or larger)
GE-AE01Additional CF DN63 flange with a window of Beryllium, MgF2, UVFS or other materials, can be sealed with the camera flange, with a port for external vacuum pump, enables ALEX to be used in air independently
Accessories for Enhanced Cooling Performance
GE-CR01Compact liquid cooling, circulating the coolant at room temperature for deep camera cooling
GE-CR02Recirculating water chiller, PID control with temp. from -5°C to 30°C for ultra-deep camera cooling
Software Development Kit (SDK) and Drivers

Detector platform capabilities

  • Ultra deep TE cooling down to -100°C — lowest dark current for better detection limit
  • GigE & USB 3.0 data interface — local or remote network operation – your choice!
  • Fast readout speeds up to 5 MHz — fast frame rates paired with low-noise electronics
  • High QE up to 98% — very sensitive sensors for low light applications
  • User selectable gain — balance your detector for best SNR and dynamic range
  • Flexible software options — camera software and SDKs available

Plan the integration

Mechanical drawings.

Enlarge the mounting, connector and camera-outline drawings. Dimensions and model dependencies are retained.

Manufacturer drawing in the original units. Camera body, sensor location, ports and flange depend on the selected format and housing; use the model dimensions table to confirm the configuration.

Mechanical drawing & connections

Mechanical drawing & connections — enlarged manufacturer figure

Manufacturer drawing in the original units. Camera body, sensor location, ports and flange depend on the selected format and housing; use the model dimensions table to confirm the configuration.

Build your enquiry

Start with the detector.

Choose a published configuration, add the integration topics you want to discuss, and keep the exact model in your enquiry.

ALEX-s configuration and enquiry
Your starting configuration

ALEX-s 1k128 FI

Sensor / coating
Scientific CCD · FI
Pixels
1024 × 127
Pixel pitch
26 µm
Active input
26.6 × 3.3 mm
Cooling
−100°C to +20°C
Read noise
4.4 e− @ 50 kHz
Interface
GigE / USB 3.0
Optical / mechanical interface
CF DN63 / DN100 flange options
Spectral response
VUV / EUV / X-ray; response depends on sensor and photon energy
Shutter / sensor readout
CCD
Digitization
18-bit
Readout
50 kHz to 5 MHz; mode dependent

Selected options are requirements for discussion. Compatibility and final performance are confirmed for your configuration.

Review enquiry

Discuss selection, integration and a quotation with Precisometer.

ALEX-s configurations
ConfigurationPixelsPitch / inputCooling / acquisitionRead noise
1024 × 12726 µm
26.6 × 3.3 mm
−100°C to +20°C
4.4 e− @ 50 kHz
1024 × 25526 µm
26.6 × 6.7 mm
−100°C to +20°C
4.2 e− @ 50 kHz
1024 × 25526 µm
26.6 × 6.7 mm
−100°C to +20°C
5.4 e− @ 50 kHz
1024 × 25526 µm
26.6 × 6.7 mm
−100°C to +20°C
6.0 e− @ 50 kHz
2048 × 51513.5 µm
27.6 × 6.9 mm
−100°C to +20°C
3.5 e− @ 50 kHz
2048 × 51513.5 µm
27.6 × 6.9 mm
−100°C to +20°C
3.5 e− @ 50 kHz
2048 × 51513.5 µm
27.6 × 6.9 mm
−100°C to +20°C
3.5 e− @ 50 kHz

Cooling limits depend on the selected sensor, ambient conditions and cooling arrangement. Read noise values are typical at the specified pixel-readout frequency; they are not frame rates.

Technical overview

Designed around the measurement.

Direct-detection CCD spectroscopy for VUV, EUV and X-ray experiments, with a vacuum flange interface to the experiment.

Beamline diagnosticsCoherent diffractionNEXAFS / RIXSHigh-harmonic generation
ALEX-s technical overview
DetectorFull-frame scientific CCD
Digitization18-bit
Data interfacesGigabit Ethernet and USB 3.0
EnvironmentVacuum flange; cooling configuration dependent
Sensor choicesFront-illuminated, back-illuminated and deep-depletion options; model dependent

Explore the wider range

Other routes to your measurement.

All Greateyes products
Product selection

What do you need to measure?

Start with your signal, or search directly for a camera, sensor option or application.

6 product ranges · 50 camera configurations

ELSE-s
Greateyes / UV, visible & NIR

ELSE-s

Deep-cooled, full-frame CCD spectroscopy for weak optical signals across UV, visible and near infrared.

Detector
Full-frame scientific CCD
Digitization
18-bit
18 configurations · specifications
ALEX-i
Greateyes / Direct VUV, EUV & X-ray

ALEX-i

Direct-detection CCD imaging for VUV, EUV and X-ray experiments, with a vacuum flange interface to the experiment.

Detector
Full-frame scientific CCD
Digitization
18-bit
12 configurations · specifications
LOTTE-i
Greateyes / In-vacuum CCD

LOTTE-i

Direct-detection CCD imaging for VUV, EUV and X-ray experiments, with the complete detector operating inside the vacuum chamber.

Detector
Full-frame scientific CCD
Digitization
18-bit
12 configurations · specifications
LOTTE-s
Greateyes / In-vacuum CCD

LOTTE-s

Direct-detection CCD spectroscopy for VUV, EUV and X-ray experiments, with the complete detector operating inside the vacuum chamber.

Detector
Full-frame scientific CCD
Digitization
18-bit
7 configurations · specifications
CHARLIE
Greateyes / Direct VUV, EUV & X-ray

CHARLIE

Back-illuminated sCMOS direct detection for experiments that need higher acquisition rates alongside deep cooling.

Sensor
GSENSE400BSI; 2048 × 2048 pixels
Pixel pitch
11 µm
1 configurations · specifications
Custom scientific cameras

Representative equipment; the complete configuration depends on your application.

Greateyes / Custom & space

Custom scientific cameras

Adapt sensor position, cooling, vacuum mechanics or readout to the geometry of your experiment.

Customisation
Tilted, extruded or detached sensors
Mechanics
Housing, vacuum flange and sensor position
Explore the solution