# Optical Mo/Si Multilayer Extreme Ultraviolet Spherical Mirrors for Hhg Applications

> Optical Mo/Si Multilayer Extreme Ultraviolet Spherical Mirrors for Hhg Applications — an optical mirror: Glass, as Required thick. Specs, RFQ checklist…

- Page: https://machiningglass.com/products/optical-mo-si-multilayer-extreme-ultraviolet-spherical-mirrors-for-hhg-applications/
- SKU: MG-A9993C
- Category: Optical Lenses, Prisms & Mirrors > Optical Mirrors & Reflective Substrates
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Optical-Mo-Si-Multilayer-Extreme-Ultraviolet-Spherical-Mirrors-for-Hhg-Applications.webp
- Updated: 2026-10-24

Application: Medical, Civil, Labs. Model: TT Mirror1.

## Overview

Optical Mo/Si Multilayer Extreme Ultraviolet Spherical Mirrors for Hhg Applications is an optical mirror made from Glass. Listed geometry: thickness as Required, plano shape. Surface quality as Required. Typical applications: 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 Mirror1 |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |

## Technical data

| Parameter | Value |
| --- | --- |
| 1.Material | N-BK7,FS or based on clients' requirements |
| 2.Dimensional tolerances | 0/-0.05mm |
| 4.Clear aperture | >90% |
| 5.Parallelism or centration | 1arc minute |
| 6.Surface Quality | US Standard 20-10,ISO Standard 3X0.16 |
| 7.Edge Chip | <0.1mm |
| 8.Bevel | Based on clients' requests |
| 9.Coating | Apply metal reflecting coating or dielectric coating or based on clients' requests |

## 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 Machining for Precision Micro Features](https://machiningglass.com/capabilities/laser-glass-machining-for-precision-micro-features/). 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 Optical Mo/Si Multilayer Extreme Ultraviolet Spherical Mirrors for Hhg Applications 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=18375#mg-rfq

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