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- Metallized Plate Beamsplitters
Metallized Plate Beamsplitters
Metallized Plate Beamsplitters
- Surface flatness: λ/10
- Diameter: +0, -0.2mm
- Surface quality: 40-20
- Parallelism: ≤5 arcsec or 1° wedge
- Thickness: ±0.2mm
- Clear aperture: >90% diameter
- Bevel: 0.2mm x 45° typical
- Material: BK7, grade A
- Transmission: Tav = 33% ±5%, 400-700nm
- Reflectance: Tav = 33% ±5%, 750-850nm
- Thin metallic film acts as a broadband partially transmitting mirror.
- Substrates polished on both sides to λ/10.
- Wedged substrates available for ghost suppression.
- Standard diameters range from 25.4mm to 100mm.
| Wavelength Range (nm) | Diameter (mm) | Thickness (mm) | Price | Part Number |
|---|---|---|---|---|
| 400-700 | 25.4 | 3.0 | $116.00 | 038-0120 |
| 400-700 | 30.0 | 3.0 | $131.00 | 038-0130 |
| 400-700 | 40.0 | 4.0 | $152.00 | 038-0135 |
| 400-700 | 50.0 | 5.0 | $173.00 | 038-0140 |
| 400-700 | 50.8 | 5.0 | $173.00 | 038-0150 |
| 400-700 | 100.0 | 10.0 | $625.00 | 038-0160 |
| 750-850 | 25.4 | 3.0 | $121.00 | 038-0210 |
| 750-850 | 30.0 | 3.0 | $137.00 | 038-0220 |
| 750-850 | 50.0 | 5.0 | $205.00 | 038-0230 |
| 750-850 | 50.8 | 5.0 | $205.00 | 038-0240 |
Catalog excerpts
OPTICAL COMPONENTS Metallized Plate Beamsplitters Spherical Lenses Cylindrical Lenses Lens Kits The thin metallic film acts as broadband partially transmitting mirror Substrates polished both sides to λ/10 Wedged substrates (for ghost suppression) are also available as standard Standard diameters from 25.4 to 100mm Achromatic Doublets Multi-Element Micro Optics Mirrors Prisms Substrates & Windows Beamsplitters Polarizers Filter & Apertures These beamsplitters provide a highly neutral reflectivity over the visible spectrum and are most useful for broadband or tunable wavelength applications. A separate coating, optimized for use at the near-IR diode wavelengths, is available. Specifications & Tolerances Surface flatness: λ/10 Surface quality: 40-20 Thickness: ±0.2mm Bevel: 0.2mmx45° typical Transmission: Tav = 33% ±5%, 400-700nm Reflectance: Tav= 33% ±5%, 750-850nm Diameter: +0, -0.2mm Parallelism: ≤5arcsec or 1° wedge Clear aperture: >90% diameter Material: BK7, grade A Wedge (optional): 1° Metallized Plate Beamsplitters Wavelength Range (nm) PART NUMBER ORDERING & TECHNICAL SUPPORT For a 1° wedged substrate append -W to the part number and add $25 to the price. Note: Wedged substrates are thicker. 187
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