THORLABS WFS20-14AR, Operation Manual

Page: 100 / 153

© 2007 - 2018 Thorlabs 98
Wavefront Sensor
8.1.2 WFS30
Item # WFS30-5C WFS30-7AR WFS30-14AR
Microlenses
Microlens Array Type MLA150-5C MLA150-7AR MLA300-14AR
Substrate Material Fused Silica (Quartz)
Wavelength Range 300 to 1100 nm 400 to 900 nm 400 to 900 nm
Lenslet Pitch 150 µm 300µm
Lens Diameter 146 µm
295 µm
2
Max. Number of Lenslets 73 x 45 35 x 21
Number of Active Lenslets Software Selectable, depending on the MLA
MLA Aperture Size 11.5 x 7.5 mm
Camera
Sensor Type CMOS
Resolution max. 1936 x 1216 pixels, Software Selectable
Aperture Size, max. 11.34 mm x 7.13 mm
Pixel Size 5.83 µm x 5.83 µm
Shutter Global
Exposure Range 33 µs - 998 ms
Frame Rate
1
)
At 1216 x 1216 Resolution,
7.0 mm Pupil Diameter
10 fps 13 fps
At 768 x 768 Resolution,
4.5 mm Pupil Diameter
21 fps
At 360 x 360 Resolution,
2.0 mm Pupil Diameter
64 fps
Image Digitization 8 bit
Wavefront Measurement
Wavefront Accuracy
2
)
l
/25 rms @ 633 nm
l
/40 rms @ 633 nm
l
/60 rms @ 633 nm
Wavefront Sensitivity
3
)
l
/80 rms @ 633 nm
l
/120 rms @ 633 nm
l
/200 rms @ 633 nm
Wavefront Dynamic Range
4
)
> 500
l
@ 633 nm > 500
l
@ 633 nm > 250
l
@ 633 nm
Local Wavefront Curvature
5
)
> 7.4 mm > 10.0 mm > 40.0 mm
External Trigger Input Specifications
Safe Static Voltage level 0 to 30 V DC
LOW Level 0.0 V to 2.0 V
HIGH Level 5.0 V to 24 V
Input Current, max. < 10 mA
Min Pulse Width 100 µs
Min. Slew Rate 35 V / msec