A Meta Reality Labs researcher puts a 2.13 arcmin floor on laser-lit 500µm waveguides

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 09 Oct, 22:31 UTC

An optics researcher at Meta's Reality Labs has published a hard limit on how sharp a thin AR waveguide can be, and at the thickness glasses makers want it falls short of the acuity target by more than a factor of two. The limit only applies to waveguides lit by a narrow-linewidth laser, and the…