Utilizing our position as the leading grower of large CdS and CdSe IR single-crystals with our unique proprietary modeling algorithms, Cleveland Crystals' engineers take advantage of their extensive wave plate design experience to address specific solutions in the infrared, from 3-12mm. IR wave plates in standard and custom holders are available in multi-order, net-zero order, achromatic, and other custom configurations.  Our high-performance broad-band AR coatings optimize optical transmission.  Cleveland Crystals' combination of materials, design and assembly expertise ensures you of the highest quality IR wave plates for your demanding requirements.