光学材料

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光学玻璃

光学玻璃可以改变光的方向，以及紫外光，可见光或红外光的相对光谱分布。光学玻璃材料是最常见的类型，因为它具有优异的光学性能，如高透光性和环境稳定性。

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描述

Optical glass can change the direction of light, as well as relative spectral distribution of ultraviolet, visible or infrared light.Optical glass material is the most common type because of its excellent optical properties such as high light transmission and environmental stability.

Nd-Vd diagram of Optical Glass

UNI-Optics has capability in manufacturing various optical components with a wide variety of optical materials.Selecting optical material is very important since each material has different optical characteristics, such as transmission versus wavelength, index of refraction, thermal, mechanical and chemical characteristics.You may need specific information when selecting the material for a custom component. The data in the following is intended to assist in these situations The simplest

way to select the right materials is to let UNI Optics know yourapplications, and our engineers would like to help you to select the right material from Chinese glass.

Contrast Table:

Contrast Table
CODE	CDGM	SCHOTT	OHARA	HOYA	nd	vd
QK series type
470668	H-QK1	FK1	FSL1	FC1	1.47047	66.83
487700	H-QK3				1.48746	70.04
487704	H-QK3L	N-FK5	S-FSL5	FC5	1.48749	70.44
K series type
500621	K1	K11			1.49967	62.07
500660	H-K2	BK4	BSL4	BSC4	1.50047	66.02
505647	H-K3	BK5			1.50463	64.72
508611	K4A	ZKN7	ZSL7	ZNC7	1.50802	61.05
510634	H-K5	BK1	BSL1	BSC1	1.51007	63.36
511605	H-K6	K7	NSL7	C7	1.51112	60.46
515606	H-K7				1.51478	60.63
516568	K8		NSL2	C2	1.51602	56.79
516642	H-K9L	N-BK7	S-BSL7	BSC7	1.5168	64.2
518590	H-K10		S-NSL3	E-C3	1.51818	58.95
526602	H-K11	BALK1	NSL21	BACL1	1.52638	60.61
534555	H-K12	ZK5	ZSL5	ZNC5	1.53359	55.47
519617	H-K16			BACL3	1.51878	61.69
522595	H-K50	N-K5	S-NSL5	C5	1.52249	59.48
523586	H-K51	B270	NSL51	C12	1.52307	58.64
BaK series type
530605	H-BaK1				1.53028	60.47
540597	H-BaK2	N-BAK2	S-BAL12	BAC2	1.53996	59.72
547628	H-BaK3		BAL21		1.54678	62.78
552634	H-BaK4	N-PSK3	BAL23	PCD3	1.55248	63.36
561583	H-BaK5				1.56069	58.34
564608	H-BaK6	N-SK11	S-BAL41	BACD11	1.56388	60.76
569560	H-BaK7	N-BAK4	S-BAL14	BAC4	1.56883	56.04
573575	H-BaK8	N-BAK1	S-BAL11	BAC1	1.5725	57.49
574565	BaK9	BAK6	BAL16	BAC6	1.57444	56.45
560612	BaK11	SK20	BAL50		1.55963	61.21
ZK series type
569629	H-ZK1	PSK2	BAL22	PCD2	1.56888	62.93
583595	H-ZK2	SK12	S-BAL42	BACD12	1.58313	59.46
589613	H-ZK3	N-SK5	S-BAL35	BACD5	1.58913	61.25
609589	H-ZK4	SK3	BSM3	BACD3	1.60881	58.86
611558	H-ZK5	SK8	BSM8	BACD8	1.61117	55.77
613586	H-ZK6	N-SK4	S-BSM4	BACD4	1.61272	58.58
613606	H-ZK7				1.61309	60.58
614551	H-ZK8	SK9	BSM9	BACD9	1.61405	55.12
620603	H-ZK9A	N-SK16	S-BSM16	BACD16	1.62041	60.34
622567	H-ZK10	N-SK10	S-BSM10	E-BACD10	1.6228	56.71
639555	H-ZK11	N-SK19	S-BSM18	BACD18	1.63854	55.45
603606	H-ZK14	N-SK14	S-BSM14	BACD14	1.60311	60.6
607595	H-ZK15	SK7	BSM7	BACD7	1.60729	59.46
614564	H-ZK19	SK6	BSM6	BACD6	1.61375	56.4
617539	H-ZK20	SSK1	BSM21	BACED1	1.6172	53.91
623581	H-ZK21	N-SK15	S-BSM15	BACD15	1.62299	58.12
607567	H-ZK50	SK2	BSM2	BACD2	1.60738	56.65
618551	ZK51	SSK4	BSM24	BACED4	1.61765	55.14
LaK series type
660574	H-LaK1	LAK11	LAL11	LAC11	1.6595	57.35
692545	H-LaK2	N-LAK9	S-LAL9	LAC9	1.69211	54.54
747510	H-LaK3				1.74693	50.95
641601	H-LaK4L	N-LAK21	S-BSM81	LACL60	1.64	60.2
678555	H-LaK5	N-LAK12	S-LAL12	LAC12	1.6779	55.52
678555	H-LaK5A	N-LAK12	S-LAL12	LAC12	1.6779	55.52
694534	H-LaK6A	LAKN13	S-LAL13	LAC13	1.6935	53.38
713538	H-LaK7	N-LAK8	S-LAL8	LAC8	1.713	53.83
720503	H-LaK8A	N-LAK10	LAL10	LAC10	1.72	50.34
651559	H-LaK10	N-LAK22	LAL54	LACL2	1.65113	55.89
697562	H-LaK12	LAK24	LAL64		1.6968	56.18
652584	H-LaK50	N-LAK7	S-LAL7	LAC7	1.6516	58.4
652584	H-LaK50A	N-LAK7	S-LAL7	LAC7	1.6516	58.4
697555	H-LaK51	N-LAK14	S-LAL14	LAC14	1.6968	55.53
729547	H-LaK52	N-LAK34	S-LAL18	TaC8	1.72916	54.68
755523	H-LaK53	N-LAK33	S-YGH51	TaC6	1.755	52.32
755523	H-LaK53A	N-LAK33	S-YGH51	TaC6	1.755	52.32
734515	H-LaK54		S-LAL59	TaC4	1.734	51.49
KF series type
501572	KF1	K10	FTL10	C10	1.50058	57.21
515545	KF2	KF3	NSL33	CF3	1.51539	54.48
526510	KF3	KF2	NSL32	CF2	1.52629	51
517522	H-KF6	KF6	NSL36	CF6	1.51742	52.31
QF series type
548459	QF1	LLF1	PBL1	FEL1	1.54811	45.87
548458	H-QF1	N-LLF1	S-TIL1	E-FEL1	1.54814	45.82
561468	QF2	LLF3	PBL3	FEL3	1.56091	46.78
575413	QF3	LF7	PBL27	FL7	1.57502	41.31
582420	QF5	LF3<, /o:p>	PBL23	FL3	1.58215	42.03
532488	QF6	LLF6	PBL6	FEL6	1.53172	48.76
532488	H-QF6	N-LLF6	S-TIL6	E-FEL6	1.53172	48.84
541472	QF8	LLF2	PBL2	FEL2	1.54072	47.2
561452	QF9	LLF4	PBL4	FEL4	1.56138	45.24
578411	QF11	LF4	PBL24	FL4	1.57842
596392	H-QF14	F8	PBM8	F8	1.59551	39.18
581409	H-QF50	N-LF5	S-TIL25	E-FL5	1.58144	40.89
581409	QF50	LF5	PBL25	FL5	1.58144	40.89
581409	UQF50	ULF5			1.58144	40.89
F series type
603380	F1	F5	PBM5	F5	1.60342	38.01
603380	H-F1		F-TIM5	E-F5	1.60342	38.01
613370	F2	F3	PBM3	F3	1.61293	36.96
617366	F3	F4	PBM4	F4	1.61659	36.61
620364	F4	F2	PBM2	F2	1.62005	36.35
620364	H-F4	N-F2	S-TIM2	E-F2	1.62005	36.35
624359	F5		PBM11		1.62435	35.92
625356	F6	F7		F7	1.62495	35.57
636354	F7	F6	PBM6	F6	1.63636	35.35
624368	F12	F10	PBM10		1.62364	36.81
626357	F13	F1	PBM1	F1	1.62588	35.7
640346	H-F51	SF7	PBM27	FD7	1.6389	34.57
BaF series type
548540	BaF1	BALF5	BAL5		1.54809	53.95
570495	BaF2	BAF2	BAM2	BaF2	1.5697	49.45
580539	BaF3	BALF4	BAL4	BAFL4	1.5796	53.87
583465	BaF4	BaF3	BAM3	BaF3	1.58271	46.47
606439	BaF5	BaF4	BAM4	BaF4	1.60562	43.88
608462	BaF6	BAF52		BAF7	1.60801	46.21
614400	BaF7				1.61413	40.03
626391	BaF8	BASF1	BAM21	BAFD1	1.62604	39.1
603425	BaF51	BASF5		BAFD5	1.60323	42.48
571530	H-BaF53		S-BAL3		1.57135	53.97
ZBaF series type
622531	ZBaF1	SSK2	BSM22	BACED2	1.62231	53.14
802443	H-ZBaF1			NbFD14	1.80166	44.26
640483	ZBaF2				1.63962	48.27
657511	H-ZBaF3				1.65691	51.12
664355	ZBaF4	BASF2	BAH22	BAFD2	1.66426	35.45
671473	H-ZBaF5	S-BAH10			1.67103	47.29
607494	ZBaF8	BAF5	BAM5	BAF5	1.60729	49.4
620498	ZBaF11		BSM29	BACED9	1.62012	49.8
639452	ZBaF13	BAF12	BAM12	BAF12	1.6393	45.18
651383	ZBaF15		BAH24	BAFD4	1.65128	38.32
667484	H-ZBaF16	BAFN11	S-BAH11	BAF11	1.66672	48.42
668419	ZBaF17	BASF6	BAH26	BAFD6	1.66755	41.93
670392	ZBaF18	BASF12	BAH32		1.66998	39.2
702410	H-ZBaF20	N-BASF52	S-BAH27	BAFD7	1.70181	41.01
702410	ZBaF20A	BASF52	BAH27	BAFD7	1.70181	41.01
702410	H-ZBaF20A				1.70181	41.01
723380	H-ZBaF21	BASF51	S-BAH28	BAFD8	1.7234	37.99
723380	ZBaF21A	BASF51	BAH28	BAFD8	1.7234	37.99
658509	H-ZBaF50	N-SSK5	S-BSM25	BACED5	1.65844	50.85
683445	ZBaF51	BAF50	BAH51	BAF22	1.68273	44.5
670472	H-ZBaF52	N-BAF10		BAF10	1.67003	47.2
ZF series type
648338	ZF1	SF2	PBM22	FD2	1.64769	33.84
648338	H-ZF1		S-TIM22	E-FD2	1.64769	33.84
673322	ZF2	SF5	PBM25	FD5	1.6727	32.17
673322	H-ZF2	N-SF5	S-TIM25	E-FD5	1.6727	32.17
717295	ZF3	SF1	PBH1	FD1	1.71736

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有色玻璃(截至型，选择吸收型，中性密度型)

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相关产品

有色玻璃(截至型，选择吸收型，中性密度型)

UNI Optics供应材料包括中性密度，短程，长通，带通，紫外线，红外线，吸热和色温转换滤光片。

融石英

融石英由硅和氧的化学结合形成。熔融石英是一种完美的光学材料，因为它具有良好的紫外和红外透射率，低热膨胀系数。它具有高稳定性，耐大温度偏移，宽温度工作范围和高激光损伤阈值的热冲击。

红外材料

1. Germanium (Ge)

Germanium (Ge) is the preferred lens and window material for high performance infrared imaging systems in the 8–12 μm wavelength band. Its high refractive index makes Ge ideal for low power imaging systems because of minimum surface curvature. Chromatic aberration is small, often eliminating the need for correction.

Crystallographic properties
Syngony	Cubic
Crystal Form	Poly or Single Crystal
Lattice Constant	5.66
Cleavability	<111>, non-perfect
Molecular Weight	72.6
Physical properties
Density, at 20 °C	5.33
Hardness, Mohs	6.3
Dielectric Constant for 9.37 × 109 Hz at 300 K	16.6
Melting	937
Thermal Conductivity, W/m·K at at 293 K	59
Thermal Expansion, 1/K at 298 K	6.1 × 10-6
Specific Heat Capacity, J/(kgK) at 273-373 K	0.074
Bandgap, eV	0.67
Knoop Hardness, kg/mm2	800
Youngs Modulus, Gpa	102.66
Shear Modulus, GPa	67.04
Bulk Modulus, GPa	77.86
Debye Temperature, K	370
Poissons Ratio	0.278
Elastic Coefficient	C11=129, C12=48.3, C44=67.1
Apparent Elastic Limit	89.6 MPa (13000psi)
Chemical properties
Solubility in water	None
Solubility in acids	Soluble
Molecular Weight	72.59

2. Silicon (Si)

Silicon (Si) is grown by Czochralski pulling techniques (CZ) and contains some oxygen that causes an absorption band at 9 microns.To avoid this, material can be prepared by a Float-Zone (FZ) process. Optical silicon is generally lightly doped (5 to 40 ohm cm) for best transmission above 10 microns, and doping is usually boron (P-type) and phosphorus (N-type). After doping silicon has a further pass band: 30 to 100 microns which is effective only in very high resistivity uncompensated material.

CZ Silicon is commonly used as substrate material for infrared reflectors and windows in the 1.5-8 micron region. The strong absorption band at 9 microns makes it unsuitable for CO2 laser transmission applications, but it is frequently used for laser mirrors because of its high thermal conductivity and low density. Application as window, lens in the 1.5 - 8 um region; Mirror for CO2 laser and spectrometer applications.

Crystallographic properties
Syngony	Cubic
Lattice Constant, A	5.43
Physical properties
Density	2.33g/cm3
Hardness, Mohs	7
Dielectric Constant for 9.37 x 109 Hz	13
Melting point, оС	1414
Thermal Conductivity, W/m·K at 313 K	163
Thermal Expansion, 1/K at 293 K	2.6x10-6
Specific Heat Capacity, J/(kg°C)	712.8
Bandgap, eV	1.1
Knoop Hardness, kg/mm2	1100
Youngs Modulus, Gpa	130.91
Shear Modulus, GPan	79.92
Bulk Modulus, GPa	101.97
Debye Temperature, K	640
Poissons Ratio	0.28
Chemical properties
Solubility in water	None
Molecular Weight	28.09

3、ZnS material:

ZnS MultiSpectral Under intense heat and pressure, defects within the crystalline lattice are virtually eliminated, leaving a water-clear material with minimal scatter and high transmission characteristics from 0.4 to 12 microns. This material is particularly well suited for high-performance common aperture systems that must perform across a broad wavelength spectrum.

Specifications:

Material: ZnS MultiSpectral
Diameter Tolerance: --------------------- +0.0, -0.1mm
Thickness Tolerance: -------------------- ±0.1mm
Clear Aperture: ---------------------------->85%
Parallelism: -----------------------------------3 arc minute
Surface Quality: ----------------------------80-50 scratch and dig
Wavefront Distortion: -------------------- λ /2 per 25mm @633mm
Bevel: -----------------------------------------Protective (<0.2mm x 45° )
Coating: -------------------------------------- Optional （Uncoated, AR Coating, etc.）

4. ZnSe material

ZnSe is a preferred material for lenses, windows, output couplers and beam expanders for its low absorptivity at infrared wavelengths and its visible transmission. For high-power applications, it’s critical that the material bulk absorption and internal defect structure be carefully controlled, that minimum-damage polishing technology be employed, and the highest quality optical thin-film coatings are used. The material absorption is verified by CO2 laser vacuum calorimetry. Our quality assurance department provides testing and specific optics certification on request.

ZnSe is non-hygroscopic and chemically stable, unless treated with strong acids. It’s safe to use in most industrial field, and laboratory environments.