Surplus Substrate Material

Surplus Substrate Material
Looking for optical substrate materials at a lower cost? Our surplus substrate materials offer a budget-friendly solution for research, prototyping, and low-volume production—without compromising on quality.
These substrates maintain our high standards for flatness, parallelism, and surface quality, making them suitable for a wide range of optical applications.
Available while supplies last—each item is sold on a first-come, first-served basis. Once a material is gone, it won’t be restocked.
Need help selecting a substrate or want more information? Contact our team—we’re here to help with specs, compatibility, and application guidance.
Showing 17–20 of 20 results
- Parallelism: <3 arc minutes
- Size: 0.500 +0.0 / -0.005
- Thickness: 0.125 ±0.002
- Scratch-Dig: 60/40
- Clear Aperture: 0.400
- Flatness: Commercial
- Substrate Material: Zinc Selenide
- Parallelism: 0.5 arc minutes or better
- Size: 0.500 +0.0 / -0.005
- Thickness: 0.125 ±0.002
- Scratch-Dig: 40/20
- Clear Aperture: 0.400
- Flatness: 0.25 pwr, 0.25 irreg. @ 632.8nm
- Substrate Material: Zinc Selenide
- Parallelism: 1.0 arc minutes or better
- Size: 0.500 +0.0 / -0.012
- Thickness: 0.381 +0.0 / -0.012
- Scratch-Dig: 60/40
- Clear Aperture: 0.400 inch
- Flatness: TWF: 0.5 pwr, 0.4 irreg @ 632.8nm
- Substrate Material: Zinc Selenide
- Parallelism: 0.5 arc minutes or better
- Size: 0.500 +0.0 / -0.015
- Thickness: 0.381 +0.0 / -0.012
- Scratch-Dig: 40/20
- Clear Aperture: 0.400 inch
- Flatness: TWF: 0.6 pwr, 0.25 irreg @ 632.8nm
- Substrate Material: Zinc Selenide
PART NO.
DESCRIPTION
1 - 5 pcs.
6 - 10 pcs.
> 10 pcs.
Stock Status
$110.00
$110.00
$110.00
In Stock: 50
$272.00
$272.00
$272.00
In Stock: 28
$140.00
$140.00
$140.00
In Stock: 43
$282.00
$282.00
$282.00
In Stock: 47