Design of Counter Beam Tunnel Lights for CIE 88 : 2004 Regulation in Threshold Zone

<div>The luminance reduction curve, which indicates the minimum required luminance for accomplishing the standards for the trial tunnel generated by LiteStar 4D software (green curve: CIE 88 : 2004 standar, blue curve: UNI 11095.</div>

International Journal of Optics

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Figure 5

Figure 5: Design of Counter Beam Tunnel Lights for CIE 88 : 2004 Regulation in Threshold Zone 