KDP OPTICS KDP SUPPLIER
Category: Crystals  Publish Time: 2021-12-27 15:52 
  

 

Parameter KDP DKDP
Chemical Formula KH2PO4 KD2PO4
Lattice parameter a=b=7.4529, c=6.9751 a=b=7.4697, c=6.9766
Density 2.332g/cm3 2.355g/cm3
Moh's hardness 2.5 2.5
transparent ranges 180~1550nm 200~2150nm
The curie temperature ~396℃ ~455℃
nonlinear coefficient d36=0.44pm/V d36=0.40pm/V
reflective index(1064nm) no=1.4938, ne=1.4599 no=1.4948, ne=1.4554
electro-optic coefficient r41=8.8pm/V,r63=10.3pm/V r41=8.8pm/V,r63=25pm/V
Longitudinal half wave voltage VΠ=7.65KV(λ=546nm) VΠ=2.98KV(λ=546nm)
absorptivity 0.07/cm 0.006/cm
laser-damaged threshold  >5GW/cm2 >3GW/cm2
extinction 30dB 30dB
Deliquescence characteristics easy easy
Sellmeier of KDP
no2= 2.259276+0.01008956/(λ2-0.012942625)+ 13.005522λ2/(λ2-400) 
ne2= 2.132668+0.008637494/(λ2-0.012281043)+ 3.2279924λ2/(λ2- 400)

 



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