Golden Way Scientific has introduced air-gap zero-order 1/2、1/4 waveplates for wavelengths of 355nm、532nm、632.8nm、780nm、850nm、1064nm，1550nm and sizes of 12.7mm and 25.4mm. These air-gap zero-order 1/2、1/4 waveplates are available as standard stock optics for immediate delivery.
| Material：Quartz,Schlieren Grade | Transmit Wavefront Error：≤ λ/10@632.8nm in CA |
| AOI：0° | Thickness Tolerance：+0/-0.25mm |
| Surface Quality：10/5 | Diameter Tolerance：+0/-0.1mm |
| Double-Sided Parallel：<10'' | Coating：AR Coating Rmax<0.25%@Design wavelength |
| Retardance Tolerance：±λ/300 | LIDT：1.95J/cm²,10ns,10Hz |
