Spatial Filter Holders = Differential Adjustment Screws Type =


Spatial Filter Holders = Differential Adjustment Screws Type =
In stock
Spatial filters are optical instruments for eliminating distorted laser wavefronts and noise to emit beams in clean spherical waves. Used in optical systems such as interferometers and holograms where wavefront quality is critical.
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Spatial Filter Holder
2-6 weeks
Objective Lens OBL-10
Compatible Incidence Beam diameter(1/e φ1.0mm
Pinhole Diameter φ25μm
Pinhole XY Adjustment Range ±1.75mm
Objective Lens Front and Back Adjustment Range ±5mm
Tilt Adjustment Range ±7°
Pinhole XY Coarse resolution 0.5mm/ rotation
Pinhole XY Scale MIN Reading 0.0025mm/DIV
Objective Lens Front and Back resolution 0.5mm/ rotation
Tilt Adjustment resolution 0.54°/ rotation

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◦Since the objective lens is fitted with a linear motion stage with screw to adjust focal point position, and the pinhole is fitted with a precision two-axis pinhole holder to adjust in-plane position, spot light of the laser will pass the pinhole with good reproducibility.
◦Have an overall tilt adjustment mechanism.
◦A well corrected achromatic in the output beam of the spatial filter can be used to collimate the filtered beam.

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