Product type: Optical Window. Application: Lighting, Medical, Optical, Photography, Astronomy. Model: NIR mirror.
Overview
HR>99.5% reflective coated optical mirror at NIR range: an optical mirror made from H-K9L. Listed geometry: diameter 75.0+/-0.1mm or customized, size Mitutoyo Vernier caliper, thickness 6.0+/-0.1mm or customized, flat shape. Optical / electrical data: wavelength 760-850nm, transmittance 90%-95%. Coating: Anti-Reflection; surface quality naked eye test& 15W LED cold light; flatness ZYGO interferometer. Typical applications: Lighting, Medical, Optical, Photography and Astronomy. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | H-K9L |
|---|---|
| Type | Optical Window |
| Shape | Flat |
| Diameter | 75.0+/-0.1mm or customized |
| Thickness | 6.0+/-0.1mm or customized |
| Wavelength | 760-850nm |
| Transmittance | 90%-95% |
| Coating | Anti-Reflection |
| Surface quality | naked eye test& 15W LED cold light |
| Flatness | ZYGO interferometer |
| Parallelism | <30arcsec |
| Clear aperture | >90% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Model NO. | NIR mirror |
| Lenses Color | Clear |
| Reflection | >99.5% |
| Caoting type | Hight reflection |
| Specifications | Description |
| ROC1 | infinity |
| ROC2 | infinity |
| Chamfer | protected |
| Standard | MIL-PRF-13830B |
| Inspections | Parameters |
| Dimensions | Mitutoyo Vernier caliper |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Description | |
|---|---|
| Material: | CDGM H-K9L or customized |
| Diameter: | 75.0+/-0.1mm or customized |
| Thickness: | 6.0+/-0.1mm or customized |
| ROC1: | infinity |
| ROC2: | infinity |
| Surface quality: | S1&S2:10-5 |
| Parallelism: | <30arcsec |
| Clear aperture: | >90% |
| Chamfer: | protected |
| Standard: | MIL-PRF-13830B |
| Parameters | Inspection Tools |
|---|---|
| Dimensions: | Mitutoyo Vernier caliper |
| Thickness: | Mitutoyo micrometer |
| Flatness: | ZYGO interferometer |
| Surface quality: | naked eye test& 15W LED cold light |
| Parallelism: | Goniometer or Interferometer or Micrometer |
| Chamfer: | magnifier X10& naked eye test |
| Coating: | Agilent Cary 7000 |
What to specify when you request a quote
- Material — listed as “H-K9L”; name the glass or crystal.
- Geometry — listed as “75.0+/-0.1mm or customized”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “naked eye test& 15W LED cold light”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “protected”; state centration and edge chamfer.
- Coating — listed as “Anti-Reflection”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in AR Coating Process for Optical Glass Windows – Complete Manufacturing Overview. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Technical Guide to Glass Thickness and Flatness Requirements. A related standard product is AR-Coated High-Transparency Optical Glass.
