スクリーンショット 2016-01-22 15.47.32

United Crystalsについて

NLO結晶、電気光学結晶、複屈折性結晶等の製品メーカーです。
これまでは主に北米・欧州市場での製品供給を行ってきましたが、日本国内でもご購入頂きます。

製品 – products

Non-linear Optical Crystal Overview

BBO

BBO crystals are quickly available with standard sizes with 0.1mm tolerance, ranging from 5x5x0.1mm to 5x5x5mm for 800nm SGH, 3x3x9mm for 473nm SGH, 4x4x7mm for THG @1064nm…
Custom sizes on request.
P and AR coatings available @473+237nm, 800nm+400nm, 1064+532nm, 1310+2050nm…

Optical properties:

Transmitting Range: 196nm ~ 2200nm
Refractive Indices: @1064nm 1.6551(ne) 1.5425(ne)
@532nm 1.6749(no) 1.5555(ne)
@266nm 1.75711(no) 1.6146 (ne)
Sellmeier Equations:(l in µm) No2 = 2.7359 + 0.01878 / (l2 – 0.01822) – 0.01354l2
Ne2 = 2.3753 + 0.01224 / (l2 – 0.01667) – 0.01516l2
Therm-Optic Coefficient:(10-6/°C) dno/dT=-9.3 dne/dT=-16.6
Absorption Coefficient: a<0.1%/cm @1064nm
Nonlinear Optical Coefficients and Equation: @1064nm d11=5.8d36(KDP) d31=0.05d11 d22<0.05d11<>/sub
deff(I)=d31sinq + (d11cos3f – d22sin3f)cosq
deff(II)=(d11sin3f + d22cos3q)cos2q
Half-wave voltage: 48KV(at 1064nm )
Electro-Optic Coefficients: r11 = 2.7 pm/V, r22, r31< 0.1r11
Damage Threshold @1064nm and @532nm 5 GW/cm2 (10 ns); 10 GW/cm2 (1.3 ns);
1 GW/cm2 (10 ns);7 GW/cm2 (250ps)


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KTP

Potassium Titanyl Phosphate Single Crytal (KTiOPO4) crystals are quickly available with standard sizes with 0.1mm tolerance, ranging from 3x3x0.1mm to 5x5x7mm for 1064nm SGH, 5x5x10mm for 1950-2020nm SGH, 3x3x3 to 3x3x5mm for 1053nm SHG…
Custom sizes on demand.
AR coatings available @1053+527nm, 1064+532nm, 1534+727nm, 1+2micrometers…

Optical properties:

Transmitting Range: 350nm ~ 4500nm
Phase Matching Range: 984nm ~ 3400nm
Refractive Indices: @1064nm 1.7377(nx) 1.7453(ny) 1.8297(nz)
@532nm 1.7780(nx) 1.7886(ny) 1.8887(nz)
Sellmeier Equations: (l in µm) Nx2 = 3.0065 + 0.03901 / ( l2 – 0.04251) – 0.01327l2
Ny2 = 3.0333 + 0.04154 / ( l2 – 0.04547) – 0.01408l2
Nz2 = 3.3134 + 0.05694 / ( l2 – 0.05658) – 0.01682l2
Therm-Optic Coefficient:(10-5/°C) dnx/dT=1.1 dny/dT=1.3 dnz/dT=1.6
Absorption Coefficient: a<1%/cm @1064nm and 532nm
Nonlinear Optical Coefficients and Equation: @1064nm d31=2.54pm/V d32=4.35pm/V d33=16.9pm/V
d24=3.64pm/V d15=1.91pm/V
deff(II)=(d24-d15)sin2f sin2q – (d15sin2f +d24cos2q )sinq
Electro-optic coefficients: Low Frequency(pm/V) High Frequency(pm/V)
r13 9.5 8.8
r23 15.7 13.8
r33 36.3 35
r51 7.3 6.9
r42 9.3 8.8
Dielectric constant: eeff=13

LBO, CLBO

Lithium triborate (LiB3O5) is available with custom sizes and AR coating on request.

Optical properties:

Transmitting Range: 160nm ~ 2300nm
Phase Matching Range: 550 to 3000nm (I), 790nm ~ 2200nm (II)
Refractive Indices: @1064nm 1.5648(nx=b) 1.5904(ny=c) 1.6053(nz=a)
@532nm 1.5785 (nx=b) 1.6065(ny=c) 1.6212 (nz=a)
Sellmeier Equations:(l in µm) nx2 = 2.454140+0.011249/(l2-0.011350)-0.014591l2-6.60×10-5l4
ny2 = 2.539070+0.012711/( l2-0.012523)-0.018540l2+2.00×10-4l4
nz2 = 2.586179+0.013099/( l2-0.011893)-0.017968l2-2.26×10-4l4
Damage Threshold: 25GW/cm2 at 1.064um, 0.1ns pulse, 2.3J
Absorption Coefficient: a<0.1%/cm @1064nm
Nonlinear Optical Coefficients (pm/V) and Equation: @1064nm d31=d15=0.85 d32=d24=-0.67 d33=0.04
deff(I, in XY plane) = d24cosf
deff (I, in XY plane) = d15cos2q + d24sin2q
deff(II, in YZ plane) = d15cosq
deff(II, in XZ plane) = d15cos2q + d24sin2q


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LiNbO3, LiTaO3

Lithium Niobate Crystal (LiNbO3) are available from minimal size 1.25×1.25x40mm on.
AR coatings and Cr, Gold Electrode coatings on request.
MgO doped LiNbO3 available too.

Optical properties:

Transmitting Range: 400nm~5000nm
Transmittance: better than 68% at 633nm
Refractive Indices: @1064nm 2.232(no) 2.156(ne)
@808nm 2.2542(no) 2.1750(ne)
@532nm 2.3232(no) 2.2342(ne)
Sellmeier Equations: (l in µm) No2 = 4.9048 + 0.11768 / (l2 – 0.04750) – 0.027169l2
Ne2 = 4.5820 + 0.099169 / ( l2 – 0.04443) – 0.021950l2
NLO Coefficient: (p/m/V,1064nm) d31=-4.5 d33=-0.27 d22=2.1
E-O Coefficient: (pm/V, 633nm) d33=31 r31=9 r22=3.4

KDP, DKDP, ADP

Potassium Dihydrogen Phosphate (KH2PO4), isotopic Deuterated (KD2PO4) and Ammonium Dihydrogen Phosphate (NH4H2PO4) crystals are available from minimal size 5x5x0.1mm on.
AR coating on request.

Optical properties:

Optical Properties:
Crystal DKDP(KD*P) KDP ADP
Transmitting Range(nm): 200~2150 180~1550 180~1500
Absorption(%/cm): 0.5 3
Nonlinear Optical Coefficient (pm/V): 0.4 0.43 0.52
Damage Threshold: (GW/cm2 @1064nm) 5 5 6
Refractive Indices: @1064nm no=1.4931 no=1.4942 no=1.5071
ne=1.4583 ne=1.4603 ne=1.4685
@532nm no=1.5074 no=1.5129 no=1.5280
ne=1.4683 ne=1.4709 ne=1.4819
@355nm no=1.5257 no=1.5317 no=1.5487
ne=1.4833 ne=1.4846 ne=1.4994
@266nm no=1.5539 no=1.5599 no=1.5797
ne=1.5071 ne=1.5105 ne=1.5261
Sellmeier Equations: (l in µm) N2 = A + B / (l2 – C) + Dl2/(l2– E)
A no 2.2409 2.2576 2.3041
ne 2.126 2.1295 2.1643
B no 0.0097 0.0101 0.0111
ne 0.0086 0.0097 0.0097
C no 0.0156 0.0142 0.0133
ne 0.012 0.0014 0.0129
D no 2.247 1.7623 15.1086
ne 0.7844 0.758 5.8057
E no 126.9205 57.8984 400
ne 123.4032 127.0535 400

 

Ultra-thin flakes

Ultra-short pulse devices are available for BBO (thickness down to 5microns) and KDP (thickness down to 100microns). Custom sizes on request.

 

LiIO3

Lithium Iodate crystals are available from minimal size 5x5x0.1mm on.
AR coating on request.

 

AgGaS2, AgGaSe2

Size and AR coating on request.

 

KNbO3

Available from minimal size 5x5x0.1mm on.
AR coating on request.


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