Mirrors
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Download Optics for Nd: YAG Lasers Datasheet (PDF, 172 KB) |
Tydex offers the mirrors used as high reflectors (including in-cavity laser mirrors), dichroic (including hot/cold) mirrors or partial reflecting output couplers. Parts of round, square, rectangular, and elliptical shapes are offered.
Specification:
| Substrate material: | KU-1, K8 |
| Surface figure @ 633nm: | l/10 |
| Surface quality, scr/dig: | 20/10 |
| Clear aperture: | exceeds central 85% of dimension |
| Dimensional tolerance, mm: | +0/–0.25 |
| Thickness tolerance, mm: | ±0.25 |
| Wedge, arc.min | <=5 |
| Edge thickness variation, mm: | <= 0.05 |
| Coating: | dielectric, metal-dielectric, metallic; user specified |
| Damage threshold, J/cm2: | 2-5, depending on coating spec. |
| No. | Diameter, mm | Thickness, mm |
| 1 | 12.7 | 3.175 |
| 2 | 12.7 | 6.35 |
| 3 | 19.05 | 9.525 |
| 4 | 25.4 | 6.35 |
| 5 | 25.4 | 9.525 |
| 6 | 38.1 | 6.35 |
| 7 | 38.1 | 9.525 |
Here are some examples of the mirror coatings:
Fig. 1 K8 dichroic mirror (hot mirror), R=95.0%+/-4% @ 970-1100 nm, T >= 90% @ 808 nm.
Fig. 2 UV Fused Silica laser mirror, R >= 99.5% @ 266 nm, AOI=45°, S-polarization.
Fig. 3 K8 end cavity mirror, R >= 99.5% @ 1064 nm, AOI=45°.
Fig. 4 K8 dichroic mirror, AR (R <= 0.5%) @ 266 nm, R>=90% @ 280-308 nm, T >= 90% @ 266 nm, AOI=0°.
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