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octagon light guide rod

Octagon Light Guide Rod

Octagonal light guide rod (or octagonal prism) is an optical light guide element with an octagonal cross-section, commonly used for guiding light paths, uniform illumination, and light energy distribution.

Its core features include:

High light guiding efficiency (>90%, can reach over 95% after metal reflective coating);

Wide angle of incidence acceptance range (± 45 °~± 60 °);

Spot uniformity (<5% non-uniformity, suitable for stable illumination in medical imaging).


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Specification of Octagon Light Guide Rod


Material

N-BK7, Fused Silica

Tolerance of length

±0.1mm

Tolerance of CA

±0.1mm

Surface quality

60/40

Surface accuracy

λ/2

Parallelism

<5 arc min


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