Astronomic telescope mirror, parabolic optics mirror
Astronomic telescope mirror, parabolic optics mirror
JDS Optics :
- Greater Than 99% Reflection Over Broad Wavelength Ranges
- High Reflectivity for all Polarization States from 0 – 45° AOI
- Low Coefficient of Thermal Expansion
Broadband Dielectric Coated λ/10 First Surface Mirrors are ideal for beam steering or reflection applications utilizing multiple laser sources. These optical mirrors feature improved reflection compared to standard metal coated mirrors, increasing system performance by minimizing energy loss. The highly durable fused silica substrate offers a low coefficient of thermal expansion and a high resistance to abrasion. TECHSPEC Broadband Dielectric Coated λ/10 First Surface Mirrors are designed for applications in the visible to near-infrared spectra.
Note : There are so many options, in fact, that we offer many of our mirrors in a semi-custom format, where you choose the wavelength, diameter, angle of incidence, and sometimes even the curvature. This allows you to find the perfect fit on a short lead time for common applications like Nd:YAG, Ti:sapphire, fiber and diode lasers, as well as laser line and partially reflecting mirrors.
In addition to catalog and semi-custom mirrors, we also work regularly with OEM customers to create custom mirrors specifically for their systems. Shape, dimensions, substrate material, and radius of curvature can all be customized. Any of our robust, high performance coatings can be applied at your choice of wavelength and angle of incidence, or we can design a coating to fit your exact spectral needs. With mirrors capable of withstanding as high as 40 J/cm2 of pulsed power at 1064 nm, and over 40 years of experience in designing and manufacturing laser optics, we can create the right mirror for you.
Capabilities
| Standard | Custom Optionss | |
|---|---|---|
| Types |
| Cylinders, prisms, and other custom shapes |
| Materials | N-BK7, UV-grade fused silica, zerodur | MgF2, CaF2, Suprasil 1, optical crown glass, Infrasil 301, N-BAK1, zerodur, silicon |
| Diameter | 12.7 to 101.6 mm | 3 to 300 mm |
| Radius of curvature | Concave: 0.075 – 5.00 m Convex: 0.50 – 1.00 m | Other radii |
| Angle of incidence | 0°, 45° | Other AOI’s |
| Coatings |
|
|
| Quality | Laser quality | See manufacturing tolerances below |
Mirror Manufacturing Capabilities
| Surface Tolerances | Precision | Laser Quality | High Precision |
|---|---|---|---|
| Surface Quality (scratch - dig) | 40 - 20 | 10 - 5 | 5 - 2 |
| Surface roughness (Å, RMS) | 20 | 5 | 1 |
| Surface Figure (P-V @ 633 nm before coating) | λ/2 | λ/10 | λ/25 |
| Dimensional Tolerances | Commercial | Precision | High Precision |
| Diameter (mm) | +0.000 / -0.250 | +0.000 / -0.100 | +0.000 / -0.010 |
| Length & width (mm) | ± 0.050 | +0.000 / -0.125 | +0.000 / -0.010 |
| Thickness (mm) | ± 0.250 | ± 0.100 | ± 0.010 |
| Angular deviation | < 5 arc min | ≤ 1 arc sec | ≤ 0.5 arc sec |
| Centration (ETV, mm) | 0.05 | 0.01 | 0.005 |
| Clear Aperture | ≥ 85% | ≥ 90% | ≥ 95% |
| Spherical Tolerances | Commercial | Precision | High Precision |
| Spherical irregularity (P-V @ 633 nm before coating) | λ/2 | λ/5 | λ/100 |
| Spherical radius (fringes) | 5 | 3 | 0.5 |
** Note: The general tolerance specifications above are intended to guide determination of appropriate tolerances based both on relative cost and manufacturability. Part-specific tolerances will vary depending on size, material, shape and aspect ratio. Tighter tolerances may be possible, so please contact us to discuss your custom specifications. All specifications do not need to be from a single column, though trade-offs may be required in order to meet the desired combination of cost and performance.
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