United Crystals（代理店）

United Crystalsについて

United Crystalsは、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。北米・欧州市場向け製品供給が中心でしたが、当社でも取り扱いを行っています。

当社はUnited Crystalsの代理店です。

ラインナップ

BBO
KTP
LBO, CLBO
LiNbO3, LiTaO3
KDP, DKDP, ADP
Ultra-thin flakes
LiIO3
AgGaS2, AgGaSe2
KNbO3

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(n_e)	1.5425(n_e)
	@532nm	1.6749(n_o)	1.5555(n_e)
	@266nm	1.75711(n_o)	1.6146 (n_e)
Sellmeier Equations:(l in µm)	N_o² = 2.7359 + 0.01878 / (l^{2 – 0.01822) – 0.01354l²}
Sellmeier Equations:(l in µm)	N_e² = 2.3753 + 0.01224 / (l² – 0.01667) – 0.01516l²
Therm-Optic Coefficient:(10^-6/°C)	dn_o/dT=-9.3		dn_e/dT=-16.6
Absorption Coefficient:	a<0.1%/cm @1064nm
Nonlinear Optical Coefficients and Equation:	@1064nm	d₁₁=5.8d₃₆(KDP)	d₃₁=0.05d₁₁	d₂₂<0.05d_11<>/sub
	d_eff(I)=d₃₁sinq + (d₁₁cos3f – d₂₂sin3f)cosq
	d_eff(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);
Damage Threshold @1064nm and @532nm	1 GW/cm² (10 ns);7 GW/cm² (250ps)

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(n_x)	1.7453(n_y)	1.8297(n_z)
Refractive Indices:	@532nm	1.7780(n_x)	1.7886(n_y)	1.8887(n_z)
Sellmeier Equations: (l in µm)	N_x² = 3.0065 + 0.03901 / ( l² – 0.04251) – 0.01327l²
	N_y² = 3.0333 + 0.04154 / ( l² – 0.04547) – 0.01408l²
	N_z² = 3.3134 + 0.05694 / ( l² – 0.05658) – 0.01682l²
Therm-Optic Coefficient:(10^-5/°C)	dn_x/dT=1.1		dn_y/dT=1.3	dn_z/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
	@1064nm	d₂₄=3.64pm/V	d₁₅=1.91pm/V
	d_eff(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:	e_eff=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(n_x=b)	1.5904(n_y=c)	1.6053(n_z=a)
Refractive Indices:	@532nm	1.5785 (n_x=b)	1.6065(n_y=c)	1.6212 (n_z=a)
Sellmeier Equations:(l in µm)	n_x² = 2.454140+0.011249/(l²-0.011350)-0.014591l²-6.60×10^-5l⁴
	n_y² = 2.539070+0.012711/( l²-0.012523)-0.018540l²+2.00×10^-4l⁴
	n_z² = 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
	d_eff(I, in XY plane) = d₂₄cosf
	d_eff (I, in XY plane) = d₁₅cos2q + d₂₄sin2q
	d_eff(II, in YZ plane) = d₁₅cosq
	d_eff(II, in XZ plane) = d₁₅cos2q + d₂₄sin2q

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(n_o)	2.156(n_e)
	@808nm	2.2542(n_o)	2.1750(n_e)
	@532nm	2.3232(n_o)	2.2342(n_e)
Sellmeier Equations: (l in µm)	N_o² = 4.9048 + 0.11768 / (l² – 0.04750) – 0.027169l²
Sellmeier Equations: (l in µm)	N_e² = 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(KDP)**	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	n_o=1.4931	n_o=1.4942	n_o=1.5071
	@1064nm	n_e=1.4583	n_e=1.4603	n_e=1.4685
	@532nm	n_o=1.5074	n_o=1.5129	n_o=1.5280
	@532nm	n_e=1.4683	n_e=1.4709	n_e=1.4819
	@355nm	n_o=1.5257	n_o=1.5317	n_o=1.5487
	@355nm	n_e=1.4833	n_e=1.4846	n_e=1.4994
	@266nm	n_o=1.5539	n_o=1.5599	n_o=1.5797
	@266nm	n_e=1.5071	n_e=1.5105	n_e=1.5261
Sellmeier Equations: (l in µm)		N² = A + B / (l² – C) + Dl²/(l²– E)
A	n_o	2.2409	2.2576	2.3041
A	n_e	2.126	2.1295	2.1643
B	n_o	0.0097	0.0101	0.0111
B	n_e	0.0086	0.0097	0.0097
C	n_o	0.0156	0.0142	0.0133
C	n_e	0.012	0.0014	0.0129
D	n_o	2.247	1.7623	15.1086
D	n_e	0.7844	0.758	5.8057
E	n_o	126.9205	57.8984	400
E	n_e	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.

製品の販売実績

アカデミック

兵庫県立大学
東京大学
理化学研究所

企業

光学機器メーカー

United Crystals

United Crystalsについて

ラインナップ

Non-linear Optical Crystal Overview

BBO

KTP

LBO, CLBO

LiNbO3, LiTaO3

KDP, DKDP, ADP

Ultra-thin flakes

LiIO3

AgGaS2, AgGaSe2

KNbO3

製品の販売実績

LiNbO₃, LiTaO₃