---
title: Custom Debris Shield Request | United Lens Company
description: Our laser debris shields, also known as cover slides, are high quality and United Lens offers 100% customizable debris shields for your specific applications.
---

[![ULC Logo](https://info.unitedlens.com/hs-fs/hubfs/logo.png?width=130&name=logo.png)Serving the Optical Industry Since 1916](https://www.unitedlens.com/)

[508-765-5421](tel:5087655421)

# Design Your Own Custom Debris Shield

ULC offers high quality laser debris shields, also known as cover slides, as 100% customizable debris shields for your specific applications. 

These are OEM replacement windows and are designed to protect lasers against dust, shrapnel, fumes, and other pollutants that can be damaging. Standard design features include:

- — High Damage Thresholds
- — Low Reflectivity
- — Extremely Low Absorption
- — High Quality Substrate

We currently house three sizes of laser debris shields on **[our product page](https://www.unitedlens.com/product-category/laser-debris-shields/)**:

| ![debrisshield.jpg](https://info.unitedlens.com/hs-fs/hubfs/debrisshield.jpg?width=230&name=debrisshield.jpg "debrisshield.jpg") | **Product Number**: ULC-DS-134 **Diameter:** 134mm +/- 0.10mm **Thickness:** 3.00mm +/- 0.10mm **TWD:** < 2 waves **Parallelism:** < 30 arcminutes **Scratch/dig:** 20/10 (10/5 available upon request) **Coating:** R< .25% @ 1064nm & < 10% @ 632.8nm @ 0º AOI **Bevel:** protective **Clear Aperture:** 85% min |
| --- | --- |
| ![debrisshield.jpg](https://info.unitedlens.com/hs-fs/hubfs/debrisshield.jpg?width=230&name=debrisshield.jpg "debrisshield.jpg") | **Product Number:** ULC-DS-55 **Diameter:** 55mm +/- 0.10mm **Thickness:** 2.00mm +0.15mm – 0mm **TWD:** < ½ waves @ 632.8nm **Parallelism:** < 45 arcminutes **Scratch/Dig:** 20/10 (10/5 available upon request) **Coating:** R< .25% @ 1064nm & < 10% @ 632.8nm @ 0º AOI **Bevel:** Protective **Clear Aperture:** 85% min |
| ![debrisshield.jpg](https://info.unitedlens.com/hs-fs/hubfs/debrisshield.jpg?width=230&name=debrisshield.jpg "debrisshield.jpg") | **Product Number:** ULC-DS-50 **Diameter:** 50mm +/- 0.10mm **Thickness:** 1.500mm +0.15mm – 0mm **TWD:** < ½ wave@ 632.8nm **Parallelism:** < 45 arcminutes **Scratch/Dig:** 20/10 (10/5 available upon request) **Coating:** R< .25% @ 1064nm & < 10% @ 632.8nm @ 0º AOI **Bevel:** Protective **Clear Aperture:** 85% min |

**United Lens is capable of creating a 100% custom debris shield, complete the form on this page to be contacted by a Sales Representative today.** **If you have any questions, please [contact us](https://info.unitedlens.com/contact-united-lens-company).**

**Have a custom request?** Simply fill out the form and a sales representative will be in touch shortly.

259 Worcester Street  //  Southbridge, MA 01550   
[508-765-5421](tel:5087655421)  //  [info@unitedlens.com](mailto:info@unitedlens.com)

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