LED Light Guides: Auer Lighting

LED Light Guides

LED Light Guides - The "1-piece" solution

Light guides are also known as light mixing rods, pipes or integrators. They are designed for any application that requires the homogenization of a light beam and therefore can be commonly found in stage lighting fixtures and automotive applications. Their mixing ability depends on the cross sections of entrance and exit surface as well as the length of the integrator. Due to periodic total internal reflections at the side surfaces a non-uniform source beam profile is folded several times leading to a uniform homogenization via superposition, regardless of the spectral characteristics. A stronger effect is gained with higher number of reflections. Typically, longer light guides are required for low numerical aperture (NA) sources, while shorter lengths are sufficient for homogenizing the light from high NA sources.

With Auer Lighting's injection molding technology, it is possible to produce such light guides made from glass with added design features for mounting, positioning, etc. Auer Lighting supplies the 1-piece solution: No glue is required to fix a lens, no additional diffuser is needed. Beyond its supreme thermal stability, Auer Lighting's borosilicate glass SUPRAX^® 8488 offers low thermal expansion and zero water absorption allowing for precise light guidance along difficult environmental conditions.

Off-the-shelf Light Guides

Auer Lighting offers customized light guides as well as standard solutions.

Light Guide	Input (mm)	Output (mm)	Length (mm)
Rome 2.6-39	2.6 x 2.6	5.1 x 5.1	39
Rome 2.8-69	2.8 x 2.8	5.9 x 5.9	69
Rome 3-35	3.0 x 3.0	4.0 x 4.0	35
Rome 3.3-45	3.3 x 3.3	5.4 x 5.4	45
Rome 3.9-70	3.9 x 3.9	5.8 x 5.8	70
Rome 4.7-45	4.7 x 4.7	10.9 x 10.9	45
Rome 8.8-89	8.8 x 8.8	∅ 16.6	89

All light guides can be offered with our unique µ-treat technology further improving light distribution and color mixing. Other surface features offered include:

Polished input/output aperture
Embossed microstructures
Coatings AR, UV, color correction
Mounting flange

Product Recommendations

Light Guide Rome 3 - 35 mm

“SUPRAX 8488” - Borosilicate Glass
Length: 35 mm
Input aperture: 3 x 3 mm
Output aperture: 4 x 4 mm

Product Details

Light Guide Rome 3,9 - 70 mm µ-treat

“SUPRAX 8488” - Borosilicate Glass
Length: 70 mm
Input aperture: 3,9 x 3,9 mm
Output aperture: 5,8 x 5,8 mm

Product Details

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