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Sensors characteristics

Values

Unit

Resolution

2048

Pixels

Pixel size version

10 x 20 10 x 200

µm

Max line rate versions

20

80

130

250

kHz

Bit depth

10, 11, 12

10, 11, 12

10, 11, 12

10 (250 kHz)

11 (200 kHz)

12 (130 kHz)

bit

Electro-Optical performances

Typical Value

Unit

Pixel size version

10 x 20

10 x 200

µm

Full well capacity version

140

200

140

200

ke-

QE @850nm

54

54

54

54

%

QE @890nm

41

41

41

41

%

Response non linearity

±1

%

Readout Noise

55

55

55

55

e-

Dynamic range

69

72

69

72

dB

SNR Max

51

53

51

53

dB

PRNU HF Max

0.5

0.5

0.5

0.5

%

Integration dead time in maximum exposure time

0.6

µs

Programmable functionalities

Values

Unit

Analog Gain

x1 x2 and x4

Digital Gain

x1 to x7.996

Offset

-4096 to +4096 in 12 bit pixel format

LSB

Trigger Mode

Internal line trigger with programmable exposure time and line period Internal line trigger with max exposure time and programmable line period External line trigger with programmable exposure time

External line trigger with maximum exposure time

Package

Material used to connect the silicon chip with the electronics board.

Sensor package is correlated to alignment precision (flatness, rotation and tilt) & robustness to temperature changes.

C

Ceramic

High precision alignment and robust to temperature changes

S

Organic

Moderate precision alignment, but cost optimized

Interface

Camera interface to be chosen according to speed required and system complexity

C

L

Camera Link

Enables quick demonstration & testing, enables to reach the highest

speed (up to 250KHz)

U

B

USB3

Optimizes system cost by removing the need for frame grabber component. Limited to 130KHz speed because of USB3 data throughput

limitation

Pixel height

Pixel shape is rectangular to help alignment and increase tolerance to T° changes

0

20 µm

Medium pixel height- optimize energy capture in defocused edges

relatively to a 10µm square pixel.

2

200 µm

Large pixel height - remove the need for active alignment & calibration

Pixel full well capacity

Pixel converts photons into e- and stores then during integration time.

The maximum amount of e- stored in the pixel is named the full well capacity. Higher full well allows higher SNR

A

140 ke-

Standard pixel full well capacity

B

200 ke-

High pixel full well capacity for high SNR level in standard B-scans

Sensor / camera speed

Several sensor speed versions are available to enable choosing the best price vs performance ratio.

Higher speeds allow fastest scan rate to increase Cube/Window size Lower speeds cameras optimize costs

0

20 kHz

@10, 11, 12bits

Low speed for basic B-scans

1

80 kHz

@10, 11, 12bits

Medium speed for first level of functional imaging

2

130 kHz

@10, 11, 12bits

High-speed for wide cube acquisition & faster Angiogram analysis

3

250 kHz

250kHz @10bits

Ultra high speed (in 10bits only) for the widest acquisition window– Decrease eye motion/fixation artefact

200kHz @11bits

130kHz @12bits