From the Tydex web site:
TPX is the lightest of all known polymers. It is optically transparent in UV, visible, and THz ranges.
Fig. 1 Transmission of TPX 2 mm-thick sample. THz region.
Fig. 2 Transmission of TPX 2 mm-thick sample. NIR & MIR regions.
Fig. 3 Transmission of TPX 2 mm-thick sample. UV & VIS & NIR ranges.
|Material ||TPX |
|Available diameters, mm ||to 100 |
|Diameter tolerance, mm ||±0.25 |
|Thickness tolerance ||2% of thickness but not more than 0.1 mm |
|Surface quality, scr/dig ||80/50 |
|Surface accuracy, λ@30µm ||1/3 |
Fig. 4 Transmission of 2 mm-thick samples of TPX, Picarin, and HDPE.