MTI KOREA - MTIKorea

Crystal	Birefr-ingence D=he-ho	Refractive index h at l= 0.63m	Thermooptical Coef.dh/dT 10^-6/K	Structure and lattice constant, ?	Melting point ^oC	Density g/cm³	Hardness (Moh)	Thermal Coef. 10^-6/K
TiO2	+ 0.282	ho=2.583 he=2.865	a: -0.72 c: -0.42	Tetragonal a = 4.593 c = 2.958	1840	4.26	7	a: 7.14 c: 9.19
YVO4	+ 0.222	ho=1.9929 he=2.2154	a: -8.5 c: -3.0	Tetragonal a = 7.12 c = 6.29	1825	4.22	5	a: 4.46 c: 11.37
CaCO3	- 0.1705	ho=1.6557 he=1.4852		Rhomb. a = 4.989 c = 17.062	1339	2.715	3	a: 24.39 c: 5.68
TeO2	- 0.118	ho=2.260 he=2.142		Tetragonal a = 4.81 c = 7.613	730	5.99	4.5
LiNbO3	- 0.086	ho=2.286 he=2.203	a: 0.53 c: 5.60	Hexagonal a = 5.15 c = 13.86	1255	4.64	5	a: 16.7 c: 2.0
SiO2 (Quartz)	+ 0.009	ho=1.5427 he=1.5518		Hexagonal a = 5.15 c = 13.86	1610	2.66	5	7.07

Chemical formula	BaF2	CaF2	MgF2	LiF
Crystal structure	Cubic	Cubic	Tetragonal	Cubic
Lattice constant (Å)	6.196	5.462	a = 4.64 c = 3.06	4.026
Melting point (^oC )	1354	1418	1255	870
Density (g / cm³)	4.88	3.18	3.18	2.60
Hardness	3	4	6	4
Thermal expansion coef. (^oC-1 x 10^-6)	18.1	18.85	13.7	37.0
Refractive index	ho 1.47443	ho 1.43382	ho 1.37740 he 1.38945	ho 1.39212
Transmission waveband (microns)	0.15 - 13.00	0.11 - 12.00	0.11 - 7.5	0.11 - 7.0
Transmission efficient	> 93% @ 5 m > 75% @ 0.2 m	> 94% @ 5 m > 85% @ 0.2 m	> 93% @ 5 m > 85% @ 0.2 m	> 85% @ 5 m > 65% @ 0.2 m
Chromatic dispersion (hf -hc)	0.00578	0.00455	0.00355	0.00395
Temperature coeff. (dh / dt x 10^-6)	-15.2 ~ 6.2 @ 0.8 m	-10. 6 @ 0.8 m	2.3 ~ 1.7 @ 0.4 m	-12.7 @ 0.6 m
Crystal growth method	Bridgeman	Bridgeman	Bridgeman	Bridgeman
Cleavage plane	<111>	<111>	<100> or <110>	<100>
Max. Crystal size (mm)	f 2" x 80	f 8" x 150	f 4" x 100	f 4" x 80
Application	IR and UV window, prism, substrate	IR window and Lens, prism	VUV window and mirror, lens	UV window and prism, without deliquescence

Properties/crystal	CsI(Tl)	NaI(Tl)	Ce:Lu2SiO5	PbWO4	CdWO4	BGO	Ce:YAG
Crystal structure	cubic	cubic	Trigonal	Tetragonal	Monoclinic	cubic	cubic
Lattice constant (Å)	4.566	6.46	a=14.254 b=10.241 c=6.641 gamma=122.o	a = 5.416 c = 12.049	a=5.028 b=5.859 c=5.071 beta=91.519o	a=10.103	a=12.01
Melting point, ^oC	651	651	2047	1123	1325	1050	1950
Density, g/cm³	4.51	3.67	7.4	8.28	7.9	7.13	4.55
Mohn hardness	2	2	5.8	3.5 - 4.0	4 - 4.5	5	8.5
Thermo expans 10^-6/K	50	18.4	19.5	10	10.2	0.7	0.8 - 0.9
Refractive index	1.79	1.85	1.82	2.16	2.2 - 2.3	2.15	1.82
Emission wavelength (nm)	540	410	418	450 / 420	470 / 540	480	550
Decay constant (ns)	900	230	0.94	36	20 ns @ 470 nm 5 ms @ 540 nm	300	70
Radiation length (cm)	1.86	2.9	/	0.92	0.3	1.1	3.5
Hygroscopic	slightly	yes	none	No	no	no	no
Afterglow % at 6ms	< 2	-	40 ns	-	0.1	< 0.005	< 0.005
Light yield [photons/MeVy]	52 - 56 x 10³	38 x 10³	/	22.6 ~ 25.6 x 10⁴	1.2 - 1.5 x 10⁴	5.7 - 7.6 x 10³	1.5 x 10³
Growth method	Bridgman	Bridgman	Bridgman	CZ	CZ	Bridgman	CZ
Max. Size, (mm) Diameter / Length	100 / 300	100 / 300	60 / 50	35 / 200	35 / 200	50 x 130	50 / 100

Sample Container
	One 1" - 6" diameter single wafer Carrier Box - including Container, Cover & Spring	One Single Wafer Carrier Box for 4" - 6" wafer (SP5-S170) --- New design	Gel Sticky Carrier Box - Transparent

	Gel Sticky Carrier Box -- Transparent Cover	One Membrane Film Box	Die / IC Trays

	Plastic Foam Module Wafer Carrier for Multi Wafer of 4"	V2.0 Electric Vacuum-Pen - EQ-EVP-V20