FAQ

GratingsSpectroscopyOCT
What type of diffraction gratings (a.k.a. gratings) does Wasatch Photonics manufacture?
How does your Volume Phase Holographic Grating (VPHG) technology differ from surface relief grating technology?
What are some of the other properties of VPHGs?
How do you clean VPHGs?
What information is available on your gelatin recording medium and is it stable over time?
What is a Dickson Grating® and why is it different from other gratings?
What kind of performance characteristics can be expected from a Dickson Grating®?
Can gratings with different dispersion angles be made?
Over what wavelengths can your gratings operate?
What Physical sizes can be made?
What wavefront uniformity/distortion can be expected?
What environmental tests have been performed on your gratings?
What are the thermal and aiming characteristics?
How is DCG affected by DWDM and input signal conditions?
Is grating performance affected at temperature extremes or as a result of temperature cycling?
Are your gratings affected by radiation?
Holographically recorded gratings normally have a special efficiency dependence across the grating caused by a laser’s Gaussian beam profile. Do your holographic gratings have this spatial dependence?
To come…
To come…