# Optical Infrared Mgf2 Magnesium Fluoride Crystal for IR Application

> Optical Infrared Mgf2 Magnesium Fluoride Crystal for IR Application — a custom precision glass component: Mgf2. Specs, RFQ checklist and custom sizes to…

- Page: https://machiningglass.com/products/optical-infrared-mgf2-magnesium-fluoride-crystal-for-ir-application/
- SKU: MG-DDCA25
- Category: Custom Glass > Custom Precision Glass Components
- Image: https://machiningglass.com/wp-content/uploads/2026/10/Optical-Infrared-Mgf2-Magnesium-Fluoride-Crystal-for-IR-Application.webp
- Updated: 2026-10-24

Product type: Optical Windows. Application: Lighting, Medical, Optical, Photography.

## Overview

Optical Infrared Mgf2 Magnesium Fluoride Crystal for IR Application: a custom precision glass component made from Mgf2. Listed geometry: flat shape. Optical / electrical data: transmittance >95%. It is used in Lighting, Medical, Optical and Photography. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.

## Specifications

| Parameter | Value |
| --- | --- |
| Material | Mgf2 |
| Type | Optical Windows |
| Shape | Flat |
| Transmittance | >95% |
| Usage | Lighting, Medical, Optical, Photography |
| Lenses Color | Clear |
| Note | These optical windows are very sensitive to thermal shock. |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |

## Technical data

| Parameter | Value |
| --- | --- |
| Name | MgF2 window |
| Material | Magnesium Fluoride MgF2 |
| Irregularity (fringe) | l/4 |
| Diameter Tolerance | +/- 0.02mm |
| Thickness Tolerance | +/- 0.02mm |
| Clear Aperture | >90% |
| Parallelism | 30 arc sec |
| Surface Quality | 20/10 |
| Wavefront Distortion | l/4 per 25mm |

## What to specify when you request a quote

- **Material** — listed as “Mgf2”; name the glass or quartz grade.
- **Outline and thickness** — give outline, thickness and tolerances.
- **Holes, slots and features** — listed as “Flat”; dimension every hole and its position tolerance on the drawing.
- **Edges** — state edge finish and chamfer.
- **Surface** — state polish and flatness where they matter.

## Engineering guides for this part

For material grades and coating options, see [How to Use and Maintain JGS2 Quartz Glass for Optical Windows and Custom Parts](https://machiningglass.com/materials/how-to-use-and-maintain-jgs2-quartz-glass-for-optical-windows-and-custom-parts/). How parts like this are machined and finished is covered in [CNC Glass V-Groove Machining for LED and Optical Parts](https://machiningglass.com/capabilities/cnc-glass-v-groove-machining-for-led-and-optical-parts/). For an application example, read [Why Quartz Glass Components Excel in Coffee Machine Heating Modules](https://machiningglass.com/applications/why-quartz-glass-components-excel-in-coffee-machine-heating-modules/). Before sending a drawing, check [Precision Glass Machining Tolerances & Specifications: A B2B Guide](https://machiningglass.com/resources/precision-glass-machining-tolerances-specifications-a-b2b-guide/). A related standard product is [Infrared Windows](https://machiningglass.com/products/infrared-windows/).

## FAQ

### What is the Optical Infrared Mgf2 Magnesium Fluoride Crystal for IR Application made of?

It is listed as Mgf2. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.

### What optical or electrical performance does it have?

Listed values: transmittance >95%. Confirm the values at your operating wavelength, angle and temperature when you request a quote.

### Where is this custom precision glass component used?

Listed applications: Lighting, Medical, Optical and Photography.

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

Include material, outline and thickness, holes, slots and features, edges and surface, 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=6847#mg-rfq

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