Chrome-on-Glass Optical Aperture OFI1-S200
JCOPTIX chrome-on-glass apertures use UV fused silica with chromium and precision-etched central holes. The fundamental mode passes while chromium blocks stray light. Rear broadband AR coatings provide high aperture transmission for spatial filtering and shaping. Hole size, shape, and outside diameter are customizable. Applicable models: OFI05-3, OFI05-5, OFI05-10, OFI05-20, OFI05-S100, OFI05-S200, OFI05-S500, OFI05-S1000, OFI1-3, OFI1-5, OFI1-10, OFI1-20, OFI1-S100, OFI1-S200, OFI1-S500, and OFI1-S1000. Chromium OD_abs>4; operating band 400-1100 nm; circular or square holes; outside diameters 12.7 mm or 25.4 mm. JCOPTIX apertures have diameters 12.7 mm or 25.4 mm and thickness 1.5 mm. Circular holes are 3, 5, 10, or 20 μm; square holes are 100, 200, 500, or 1000 μm. OD_abs>4 chromium and rear broadband AR over 400-1100 nm block stray light for filtering and shaping. Customization is available through technical support.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Substrate Material | UV Fused Silica |
| Diameter | 25.4 mm |
| Thickness | 1.5 mm |
| Clear Aperture Dimension | 200 μm × 200 μm |
| Pinhole Accuracy | ±0.3 μm |
| Concentricity | ±0.2 mm |
| Operating Wavelength Band | 400-1100 nm |
| Chromium Film OD_abs [400-1100 nm] | OD_abs > 4 @ 400-1100 nm |
| Antireflection Coating R_avg，R_abs [400-1100 nm] | R_avg < 0.5%, R_abs < 1% @ 400-1100 nm |
| Surface Flatness | λ/2 |
| Surface parallelism | < 3 arcmin |
| Surface quality (scratch/dig) | 40/20 |
Key Features
Datasheet
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