Foctek Photonics, Inc. True Zero Order Waveplate

This type of zero order waveplate is constructed of a true zero order waveplate and a BK7 substrate. As the waveplate is very thin and easy to be damaged, the Bk7 plate's function is to strengthen the waveplate. Cemented by Epoxy Wide Angle Acceptance Better Temperature Bandwidth Wide Wavelength Bandwidth AR Coated, R<0.2% Standard Wavelength Applied: l /4: 632.8nm, 780nm, 808nm, 850nm, 980nm, 1064nm, 1310nm, 1480nm, 1550nm l /2: 532 nm, 632.8nm, 780nm, 808nm, 850nm, 980nm, 1064nm, 1310nm, 1480nm