Unlike cylindrical rod lenses made of optically transparent homogeneous materials, the GRIN rods have cylindrical distribution of refractive index around its axis and Luneburg-type refractive index profile.
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Please see the attached pdf for more informations.
|Material||FUSED SILICA (with doped core)|
|Height||Same as diameter|
|Length||12 mm (custom length on request)|
|Dimensions Tolerance||+/- 10 µm for diameter 60 to 500 µm +/- 20 µm for diameter 0.60 to 1.50 mm|
|Effective Focal Length (EFL)||0.685 x diameter|
|Working Distance (WD)||0.185 x diameter|
|AR Coating||AA-940 : narrow band all-around @ 930 - 950 nm|
|Transition Temperature||~ 1100°C|
|Beam Quality Factor||1.1 - 1.3|
|NOTE||Other custom diameter and custom AR coating are available upon request|
|Reference||Diameter (mm)||EFL (mm)||WD (mm)||Add to request|