Beam Sampler
A beam sampler behaves like a plate beamsplitter, it has the ability to reflect approximately 5.2% of the total beam.
Common Specifications
| Material | BK7 |  |
|---|---|---|
| Surface Flatness | λ/10 | |
| Coating | Front surface: Uncoated Rear surface: Visble multi-layer anti-reflection coating |
|
| Incident Angle | 45° | |
| Divergence Ratio (reflectance : transmittance) | 5:95(The average value of the P-Polarization and the S-Polarization) | |
| Laser Damage Threshold | 4J/cm2(Laser pulse width 4ns, repetition frequency 20Hz) | |
| Surface Quality (Scratch-Dig) | 10 － 5 | |
| Clear Aperture | 90% of the diameter |
| Schematic | Outline Drawing |
|---|---|
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| Optical Parallel | Wedged Substrate |
|---|---|
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| Part Number | Wavelength Range | Diameter φD |
Thickness t |
Parallelism W |
|---|---|---|---|---|
| BS4-25.4C03-10-550 | 400 － 700nm | φ25.4mm | 3mm | ＜5″ |
| BS4-30C03-10-550 | 400 － 700nm | φ30mm | 3mm | ＜5″ |
| BS4-30C05-10W-550 | 400 － 700nm | φ30mm | 5mm | 1°±5′ |
| BS4-50C05-10-550 | 400 － 700nm | φ50mm | 5mm | ＜5″ |
| BS4-50C08-10W-550 | 400 － 700nm | φ50mm | 8mm | 1°±5′ |
