bbo is a nonlinear optical crystal with combination of numberofunique features. wide transparency and phase matching ranges,largenonlinear coefficient, high damage threshold and excellentopticalhomogeneity provide attractive possibilities for variousnonlinearoptical applications
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bbo is a nonlinear optical crystal with combination of numberofunique features. wide transparency and phase matching ranges,largenonlinear coefficient, high damage threshold and excellentopticalhomogeneity provide attractive possibilities for variousnonlinearoptical applications
specifications:
flank size(w*h): 1×1~15×15
length(l): 0.005~20mm
phase matching angle(θ,φ) angel or according tocustomerrequest
match type: type i or type ii
angle tolerance: δθ
size tolerance: (w ±0.1mm) x (h ±0.1mm) x(l+0.2mm/-0.1mm)
flatness:
smooth finish: 20/10
parallelism: ＜30
perpendicularity: ＜10'
wavefront distortion:
clear aperture: > 90%
coating: p-coating or accordingtocustomer request
physical and optical properties：
crystal structure trigonal, space group r3c
cell parameters a = b = 12.532a, c = 12.717a,z= 6
melting point 1095 +/-5°c
transition temperature 925 +/-5°c
optical homogeneity d n ≈10 -6 /cm
mohs hardness 4.5
density 3.85 g/cm 3
absorption coefficient
hygroscopic susceptibility low
resistivity > 1011 ohm-cm
relative dielectric constant e t 11 / e 0 : 6.7, e t 33 /e0: 8.1 tan d ,
thermal expansion coefficients(in the range of 25℃- 900℃) a, 4 x 10 -6 /k c, 36 x 10 -6 /k
thermal conductivity ^ c, 1.2 w/m/k; ||c,1.6w/m/k
phase-matchable shg range 205nm-1750nm
nlo coefficients d 11 = 5.8 xd36(kdp)d 11 = 0.05 x d 11 , d 22
electro-optic coefficients g 11 = 2.7 pm/v, g 22 , g31
damage thresholdat 1.064 mmat 0.532 mm 5 gw/cm 2 (10ns);10 gw/cm 2 (1.3 ns)1 gw/cm 2 (10 ns);7 gw/cm 2 (250 ps)
transparency range 189 - 3500 nm
refractive indicesat 1.0642 μmat 0.5321 μmat 0.2660 μm ne =1.5425,no=1.6551ne =1.5555,no=1.6749ne =1.6146,no=1.7571
therm-optic coefficients dno /dt= -9.3 x 10-6/℃dne /dt=-16.6 x 10 -6 /℃
sellmeier equations: no2 (λ) =2.7359+0.01878/(λ 2-0.01822)-0.01354 λ 2ne2(λ)= 2.3753+0.01224/(λ 2 -0.01667)-0.01516 lλ2
福州艾尔斯达光电科技有限公司
张雪飞
18059084811
福建省福州市仓山区金山橘园洲工业园31栋2层