Hartmann masks

Flexible Optical offers calibrated Hartmann masks with square and circular apertures with orthogonal and hexagonal geometries. Masks are fabricated in glass and coated with patterned aluminum. Since the holes are positioned with very high precision and aberration of the mask is negligible, these masks can be used for absolute wavefront sensing, without calibration on a reference light beam. 

Material Geometry Aperture size Subapertures
Number Type Diameter
Glass Orthogonal 7 mm 64 Circular 200 µm
Glass Orthogonal 7 mm 64 Circular 300 µm
Glass Orthogonal 7 mm 64 Circular 450 µm
Glass Orthogonal 7 mm 64 Square 200 µm
Glass Orthogonal 7 mm 64 Square 300 µm
Glass Orthogonal 7 mm 64 Square 450 µm
Glass Orthogonal 3.5 mm 36 Circular 200 µm
Glass Orthogonal 3.5 mm 36 Circular 300 µm
Glass Orthogonal 3.5 mm 49 Circular 200 µm
Glass Orthogonal 3.5 mm 49 Circular 300 µm
Glass Orthogonal 3.5 mm 64 Circular 200 µm
Glass Orthogonal 3.5 mm 64 Circular 300 µm
Glass Orthogonal 3.5 mm 81 Circular 200 µm
Glass Hexagonal 3.5 mm 37 Circular 300 µm
Fused silica Hexagonal 3.5 mm 37 Circular 200 µm
Fused silica Hexagonal 3.5 mm 61 Circular 200 µm
Fused silica Hexagonal 3.5 mm 91 Circular 200 µm
Fused silica Hexagonal 3.5 mm 127 Circular 100 µm
Fused silica Hexagonal 3.5 mm 169 Circular 100 µm


Size of each mask is 10x10 mm

 

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