Low-Glare Freeform-Surfaced Street Light Luminaire Optimization to Meet Enhanced Road Lighting Standards

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center"><i>U</i><sub><i>o</i></sub></td><td class="align_center"><i>U</i><sub><i>L</i></sub></td><td class="align_center">TI</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">For the whole road</td><td class="align_center">0.41</td><td class="align_center">0.61</td><td class="align_center">9</td></tr><tr><td class="align_left">Lane 1</td><td class="align_center">0.41</td><td class="align_center">0.63</td><td class="align_center">8</td></tr><tr><td class="align_left">Lane 2</td><td class="align_center">0.41</td><td class="align_center">0.69</td><td class="align_center">9</td></tr><tr><td class="align_left">Lane 3</td><td class="align_center">0.41</td><td class="align_center">0.61</td><td class="align_center">7</td></tr><tr><td class="align_left">Lane 4</td><td class="align_center">0.42</td><td class="align_center">0.64</td><td class="align_center">5</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>DIALux simulation results using the imported measured IES file for the prototype street light obtained by a TAF certified type C mirror goniophotometer.</div>

International Journal of Optics

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Table 4

Table 4: Low-Glare Freeform-Surfaced Street Light Luminaire Optimization to Meet Enhanced Road Lighting Standards 