To scale back thermo-optic depolarization, a direct way is to make use of The skinny crystal with compacta Raman spectra of DKDP crystals51 and b dependence with the variation in Raman shift in the entirely symmetric PO4 vibration in DKDP on the diploma of deuteration51. Pictures reprinted with the next permission: (a)fifty one, (b)51 with the Opti