# Hr Protected Aluminum/Gold/Silver Coating Optical Mirror

> Hr Protected Aluminum/Gold/Silver Coating Optical Mirror — an optical mirror: Glass, as Required thick. Specs, RFQ checklist and custom sizes to drawing.

- Page: https://machiningglass.com/products/hr-protected-aluminum-gold-silver-coating-optical-mirror/
- SKU: MG-C3A104
- Category: Optical Lenses, Prisms & Mirrors > Optical Mirrors & Reflective Substrates
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Hr-Protected-Aluminum-Gold-Silver-Coating-Optical-Mirror.webp
- Updated: 2026-10-24

Application: Medical, Civil, Labs. Model: TT Mirror8.

## Overview

Hr Protected Aluminum/Gold/Silver Coating Optical Mirror is an optical mirror made from Glass. Listed geometry: thickness as Required, plano shape. Surface quality as Required. It is used in Medical, Civil and Labs. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Material | Glass |
| Shape | Plano |
| Thickness | as Required |
| Surface Quality | as Required |
| Application | Medical, Civil, Labs |
| Model NO. | TT Mirror8 |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |

## Technical data

| Parameter | Value |
| --- | --- |
| Product Name | Spherical Focusing Plano Concave Mirrors Protective Aluminum or Gold Coating |
| Size | Φ1mm~Φ300mm |
| Coating | Silver, gold, aluminum, dielectric |

## What to specify when you request a quote

- **Material** — listed as “Glass”; name the glass or crystal.
- **Geometry** — give diameter, focal length or radii, angles and tolerances.
- **Surface figure** — listed as “as Required”; quote surface figure (λ) and scratch-dig.
- **Centring and edges** — state centration and edge chamfer.
- **Coating** — list the band and reflectance or transmission target.

## Engineering guides for this part

For material grades and coating options, see [Fused Silica Windows for UV and Laser Optical Systems](https://machiningglass.com/materials/fused-silica-windows-for-uv-and-laser-optical-systems/). How parts like this are machined and finished is covered in [Laser Glass Etching for Fine Marking and Surface Features: A B2B Manufacturing Guide](https://machiningglass.com/capabilities/laser-glass-etching-for-fine-marking-and-surface-features-a-b2b-manufacturing-guide/). For an application example, read [How to Handle and Maintain Precision Glass Components in Laser Systems](https://machiningglass.com/applications/how-to-handle-and-maintain-precision-glass-components-in-laser-systems/). Before sending a drawing, check [Technical Guide to Glass Thickness and Flatness Requirements](https://machiningglass.com/resources/technical-guide-to-glass-thickness-and-flatness-requirements/). A related standard product is [Laser Beam Splitter Glass Sheet](https://machiningglass.com/products/laser-beam-splitter-glass-sheet/).

## FAQ

### What is the Hr Protected Aluminum/Gold/Silver Coating Optical Mirror made of?

It is listed as Glass. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.

### What sizes and thicknesses are available?

The listing gives thickness as Required. Custom outlines and thicknesses are made to drawing; state the tolerance you need.

### Where is this optical mirror used?

Listed applications: Medical, Civil and Labs.

### What should I include in a quote request?

Include material, geometry, surface figure, centring and edges and coating, plus quantity and a drawing if the part is custom.

## Request a quote

Send drawings, tolerances and quantity: https://machiningglass.com/contact/?rfq_product_id=18357#mg-rfq

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Source: Custom Precision Glass Machining — https://machiningglass.com/