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Colored Glass(Cut-off, Absorption,-selective, Neutral color glass)

UNI Optics supply material include neutral density, short pass, long pass, band pass, ultraviolet, infrared,heat  absorbing, and color temperature conversion filters. Just point and click on the name above to view information on that manufacturers filters.

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UNI Optics supply material include neutral density, short pass, long pass, band pass, ultraviolet, infrared,heat absorbing, and color temperature conversion filters. Just point and click on the name above to view  information on that manufacturers filters.


 
                                            Comparative Type of Colored Filter Glass
Type China Schott Hoya Type China Schott Hoya
CUT-Off
Type
Ultraviolet
 Glass
ZJB260 Selective
Absorption
Type
Green
 Glass
LB1 VG9
ZJB280 WG280 UV-28 LB2 VG11
ZJB300 WG295 UV-30 LB3
ZJB320 WG320 UV-32 LB4
ZJB340 WG345 UV-34 LB6
ZJB360 WG360 UV-36 LB7 VB8 G-533
ZJB380 GG375 L-38 LB8
Golden
 Glass
JB400 GG400 L-40 LB9 VB10
JB420 GG420 Y-42 LB10 G-550
JB450 GG455 Y-44 LB11
JB470 GG475 Y-46 LB12
JB490 GG495 Y-48 LB13 G-545
JB510 GG515 Y-50 LB14
Orange
Glass
CB535 GG530 0-54 LB15
CB550 GG550 LB16
CB565 GG570 0-56 LB17 VB5
CB580 GG590 0-58 LB18 VB6
Red
Glass
HB600 R-60 LB19
HB610 RG610 Golden
Glass
JB1 GG19
HB630 RG630 R-62 JB9 GG10
HB640 RG645 R-64 Orange
 Glass
CB1
HB650 R-66 CB2
HB670 RG665 Red
Glass
HB1
HB685 R-68 HB3 RG6
HB700 RG695 R-70 HB5   
HB720 RG715 R-72 HB6
Infrared
Glass
HWB760 IR-76 Infrared
 Glass
HWB1 RM-86
HWB780 RG780 HWB3 RG7 RM-90
HWB800 IR-80 HWB4
HWB830 RG830 IR-83 Protective
Glass
FB1
HWB850 IR-85 FB3
HWB900 Heat-
absorbing
 Glass
GRB1 KG2 HA-50
HWB930 GRB3 KG30 HA-30
Selective
Absorption
 Type
Ultraviolet
Glass
ZWB1 UG11 U-340 Multiband
Calibration
Glass
PNB586 BG20 V-10
    ZWB2 UG1 U-360     HOB445 HY1
ZWB3 UG5 U-330
Sky-light
Glass
TB1 SL-1A
Violet
Glass
ZB1 B-390 TB2 L-1B
ZB2 BG3 Rising
Color
Temperature
 Glass
SSB40
ZB3 B-370 SSB145
QB1    SSB165
Blue
Glass
QB2 B-410 SSB200
QB3 Falling
Color
Temperature
 Glass
SJB20
QB4 SJB80
QB5 B-440 SJB100
QB9    SJB130
QB10    SJB140
QB11 BG14 Neutral
Type
Neutral
Grey
Colored
Glass
ZAB00 NG1 ND-0
QB12 B-460 ZAB02 NG9 ND-03
QB13 ZAB2 NG3
QB16 ZAB5
QB17 ZAB10 NG4 ND-13
QB18 ZAB25 NG5 ND-25
QB19 ZAB30
QB21 BG38 ZAB50 NG11 ND-50
QB23 BG7 B-480 ZAB65
QB24 BG12 ZAB70 NG11 ND-70
QB26 BG18 Note: Some type glass are produced sparely, you can consult with us and order it to us.
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Optical color less glass
Optical Grade Glass
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.
UN Grade Fused Silica
UV Fused Silica
Fused Silica is formed by chemical combination of silicon and oxygen. Fused Silica is perfect optical material due to its good UV and IR transmission, low coefficient of thermal expansion. It has high stability and resistance to thermal shock over large temperature excursions, wide temperature operating range and high laser damage threshold.
IR Optics material
Infrared Optics Material

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.



Laser Crystal
Optical Crystals

Crystal are most applied for laser application. UNI OPTICS offer the following crystal products.

1. Laser Crystals and Rods: YAG crystal, Nd: YVO4 Crystal

2. Nonlinear Crystals: BBO, KTP, LiNbO3, LBO. KDP&DKDP
3. Birefringent Crystals: YVO4, a-BBO, Calcite.

Dove Prisms and Roof Prism
BK7 And Fused Silica Glass Dove Prisms
Invented by H.W. Dove, Dove Prisms are also known Reversion prisms.  When the prism is rotated about its length axis, the image viewed through the prism rotates at twice the prism rotation rate.  This is an unusual and sometimes useful property for special applications. Entry and exit faces are anti-reflection coated.
Fused Silica Wedges Prisms
N-BK7 and Fused Silica Wedge Prisms
Wedge prism is an optical element with plane-inclined surfaces, usually the faces are inclined toward one another at a very small angles.  It diverts light toward its thicker portion.  Wedge prisms can be used as isolating components. Wedges may also be used to produce a small deviation which doesnt allow return to source.
Micro-components-Rod Lenses
Micro Sizes Rod Lens
Rod Lenses are used for fiber coupling and laser diode beam shaping, lenses with a 0mm working distance are ideal for collimation of single and multi-mode optical fibers and laser diodes because the lens can be positioned and glued directly to the emission source. For focusing applications, or in instances where the lens can’t be in direct contact with the emission source, all lenses are available with a small working distance as well. UNI Optics can provide the size from Φ1~Φ15mm, quantity price and custom sizes, including variations in polished/ground surfaces, are available to OEM customers upon request.
Zinc Selenide Windows
IR Windows Zinc Selenide(ZnSe) Windows
ZnSe is used widely for IR components, windows and lenses, and applied for Thermal Imaging, FLIR,  Medical systems and Co2 Laser
Color Glass Filters with AR coating
High Precision Colored Glass Filters
Colored glass filters are optical components that control incident wavelength by distributing an optical absorbing substance in glass.
BK7 Ball lenses and Half Ball Lenses
Fused Silica Ball and Half-Ball Lenses
Ball Lenses are commonly used to improve signal quality in fiber coupling applications, or for use in endoscopy or bar code scanning applications. Ball Lenses feature short back focal lengths to minimize the distance needed from the Ball Lens to the optical fiber. Uni Optics offers a variety of Ball Lenses in a range of substrates for performance in the ultraviolet to the NIR.
Optical plano concave cylindrical lens supplier
Plano-concave rectangular Cylindrical Lenses

Plano-concave rectangular cylindrical lenses provide uni- axial negative imaging for anamorphic beam expansion and a wide range of applications.These lenses may also be used as mirror blanks if a concave cylindrical surface mirror is required.


Longpass Filters with Mounted Ring
Longpass Filters for Vision inspection Apllication

Long wavepass filters are ideal for a variety of applications, such as gas monitoring, temperature, sensing, thermal imaging and motion sensing etc. Long wavepass filters block shorter wavelengths and transmit longer wavelengths. Blocking can be from reflectance, absorption or a combination. Transmission in the pass band can be enhanced with an antireflection coating on the second surface.

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