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Optics
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High energy
Dielectric mirrors
High reflector Mirrors are polished substrate coated with
dielectric high reflective coating, they are excellent for laser
cavity application.
The high reflectance
and partial reflectance coatings are specifically designed to
withstand high energy pulses.
Damage
Threshold:
500MW/cm2 CW
5J/cm2 at 1064nm, 10ns, 10Hz pulses.
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| Specifications |
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| Material |
BK7 or UV Fused silica |
| Dimension tolerance |
±0.1mm |
| Surface quality |
20-10 S/D |
| Surface flatness |
l/8@632.8nm |
| Parallelism |
1
arcmin |
| Clear aperture |
>80% |
| Coating Front side (S1) |
Dielectric high reflective
coating |
| Back side |
Un-coated |
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Reflectance: R>99.5%—99.9%@wavelength
for random polarization.
Rs>99.9%, Rp>99.2%, R=(Rs+Rp)/2
Angle of incidence: 0°
or 45°
Shapes:
Flat, Plano-Concave, Plano-Convex
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Item# |
Type |
f (mm) |
R (mm) |
Te (mm) |
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MD1-12 |
Flat |
12.7 |
∞ |
3.0 |
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MD1-25 |
Flat |
25.4 |
∞ |
6.35 |
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MD2-25-25 |
Plano-Concave |
25.4 |
-25 |
6.35 |
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MD2-25-50 |
Plano-Concave |
25.4 |
-50 |
6.35 |
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MD2-25-100 |
Plano-Concave |
25.4 |
-100 |
6.35 |
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MD2-25-150 |
Plano-Concave |
25.4 |
-150 |
6.35 |
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MD2-25-200 |
Plano-Concave |
25.4 |
-200 |
6.35 |
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MD2-25-250 |
Plano-Concave |
25.4 |
-250 |
6.35 |
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MD2-25-300 |
Plano-Concave |
25.4 |
-300 |
6.35 |
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MD2-25-500 |
Plano-Concave |
25.4 |
-500 |
6.35 |
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MD3-25-250 |
Plano-Convex |
25.4 |
+250 |
6.35 |
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MD3-25-500 |
Plano-Convex |
25.4 |
+500 |
6.35 |
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MD3-25-1000 |
Plano-Convex |
25.4 |
+1000 |
6.35 |
Reflectance:
R>99.5%—99.9%@wavelength
for random polarization.
Rs>99.9%, Rp>99.2%, R=(Rs+Rp)/2
Angle
of incidence: 0° or 45°
Shapes: Flat,
Plano-Concave, Plano-Convex
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