Calcium Fluoride Rectangular Windows

Calcium Fluoride Windows (rectangular)

Calcium fluoride rectangular windows (caf2 windows) is a common optical window material with excellent ultraviolet and infrared transmittance. Its optical band is vacuum ultraviolet 0.13 microns far infrared 10 microns, including IR infrared, VIS visible, UV ultraviolet, VUV vacuum ultraviolet, excimer level five levels. It is used to separate the environment on both sides, so that the inside and outside of the instrument are isolated from each other, thus protecting the internal devices. With a high laser damage threshold, it is often used in the production of excimer laser optical components, mobile phone lenses, camera lenses, infrared sensor Windows, temperature observation Windows, etc. Micron optics can provide different types of window pieces such as round, rectangular, wedge, open hole and step pieces. It can be plated with reflective film, anti-reflection film, filter film, spectroscopic film, polarization film and metallization film system.

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	Length(mm)	Width(mm)	ThK(mm)	Surface Accuracy	Parallelism	Surface Quality
	Screen Reset 76 50 41 38.5 38 10	Screen Reset 26 25 23 19.5 19 10	Screen Reset 1 6 4	Screen Reset 5(3) 3(1)	Screen Reset 3′	Screen Reset 60-40
More+ Less	76	26	1	5(3)	3′	60-40
Sizes 76mm26mm1mm，Calcium Fluoride Rectangular Windows Number：PCa02H001 Length(mm)：76 Width(mm)：26 ThK(mm)：1 Surface Accuracy：5(3) Parallelism：3′ Surface Quality：60-40 Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Transmission Range：0.13-10μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	50	25	6	5(3)	3′	60-40
Sizes 50mm25mm6mm，Calcium Fluoride Rectangular Windows Number：PCa02F021 Length(mm)：50 Width(mm)：25 ThK(mm)：6 Surface Accuracy：5(3) Parallelism：3′ Surface Quality：60-40 Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Transmission Range：0.13-10μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	41	23	6	5(3)	3′	60-40
Sizes 41mm23mm6mm，Calcium Fluoride Rectangular Windows Number：PCa02F014 Length(mm)：41 Width(mm)：23 ThK(mm)：6 Surface Accuracy：5(3) Parallelism：3′ Surface Quality：60-40 Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Transmission Range：0.13-10μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	38.5	19.5	4	3(1)	3′	60-40
Sizes 38.5mm19.5mm4mm，Calcium Fluoride Rectangular Windows Number：PCa02F006 Length(mm)：38.5 Width(mm)：19.5 ThK(mm)：4 Surface Accuracy：3(1) Parallelism：3′ Surface Quality：60-40 Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Transmission Range：0.13-10μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	38	19	4	3(1)	3′	60-40
Sizes 38mm19mm4mm，Calcium Fluoride Rectangular Windows Number：PCa02F003 Length(mm)：38 Width(mm)：19 ThK(mm)：4 Surface Accuracy：3(1) Parallelism：3′ Surface Quality：60-40 Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Transmission Range：0.13-10μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	10	10	1	3(1)	3′	60-40
Sizes 10mm10mm1mm，Calcium Fluoride Rectangular Windows Number：PCa02B001 Length(mm)：10 Width(mm)：10 ThK(mm)：1 Surface Accuracy：3(1) Parallelism：3′ Surface Quality：60-40 Clear Aperture：>90% Length Tolerance(mm)：+0.0/-0.1 Width Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：Calcium Fluoride（CaF2） Transmission Range：0.13-10μm Bevel(mm)：0.35 Coating：Uncoated REACH：Compliant ROHS：Compliant

Material Data
Optical Properties
Transmission Range	0.13-10μm
Transmittance	>94%@193nm-7.87μm
Refractive Index	1.4288@2.5μm 1.39908@5μm
Reflection Loss	5.4%@5μm(both surfaces)
Absorption Coefficienet	7.8×10-4@2.7μm
Structure	Cubic Crystal System
Cleavage Planes	<111>
Physical Properties
Density [g/cm3]	3.18
Melting Point [℃]	1420
Thermal Conductivity [W/(m×K)]	9.71 @ 293K
Thermal Expansion [10-6/K]	18.5 @ 273K
Knoop Hardness [kg/mm2]	158.3
Specific Heat Capacity [J/(kg×K)]	854
Dielectric Constant	6.76 @ 1 MHz
Young's Modulus (E) [GPa]	75.8
Shear Modulus(G) [GPa]	33.77
Bulk Modulus(K) [GPa]	82.71
Poisson Coefficient	0.26
Chemical Properties
Solubility / g/L	0.016g @ 20℃
Molecular Weight / g/mol	78.0748

Calcium Fluoride Windows (rectangular)

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