Diffraction Grating: What's It Called?

AI Thread Summary
The discussion centers on a diffraction experiment that utilized single slits, double slits, and a unique diffraction grating described as "criss-crossed." This specific grating did not produce dark fringes in the interference pattern, prompting a request for its proper name to facilitate further research. Participants are encouraged to provide additional descriptions or insights regarding this type of grating and its resulting diffraction pattern. The absence of dark fringes is a key point of confusion, indicating a need for clarification on the phenomenon. Understanding this unique grating could enhance comprehension of diffraction patterns in optics.
kash25
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"Diffraction Grating"

We did a diffraction experiment involving single slits, double slits, and a diffraction grating. Apparently the diffraction grating that we got was "different" (according to a classmate). The diffraction grating was "criss-crossed" and didn't produce any dark fringes on the interference pattern.
Can anyone tell me what one of these criss-crossed gratings is called so that I can figure out (i.e. Google) what the diffraction pattern would look like?
Thank you!
 
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Can you give any other description other than that? I am stumped!
 
All I know is that the diffraction pattern somehow had no dark fringes...
 

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