12" DWL Transmission Flat, 4%

Came with its own calibration file, which saved me a ton of setup time. The 4% reflection is just right for my interferometer alignment checks.

The 12-inch size is perfect for my bench setup, and the 4% transmission gives a clean reference beam. The included calibration file made initial alignment straightforward and saved me a lot of time.

The included calibration file saved me hours of setup time, and the 12-inch surface is visibly flawless under my interferometer. This flat integrates seamlessly into my existing testing workflow.