Effect of UV Laser Conditioning on the Structure of KDP Crystal

Table 1

Assignment of Raman active mode frequencies of KDP at 300 K.

Mode	This work	Serra et al. [19]	Agrawal and Perry [20]	Assignment [21]
A1	356	363.9	360	𝛿𝑠  [PO2, P(OH)2]
A1	914	916.9	918	𝜈s  P(OH)2
B1	475	474.5	479	𝛿𝑟  [PO2, P(OH)2]
B1	557	564.1	570	𝛿sc  [PO2, P(OH)2]
B2	181	179.5	174	Lattice vibrations
B2	391	394	386	𝛾𝜏  P(OH)2
E	114	114	113	Lattice vibrations

𝜈_s: very strong, s: strong, m: medium, and w: weak.