K9 Plano-concave Lens

	Dia(mm)	Focal Length(mm)	Center Thickness(mm)	Edge Thickness(mm)	Design Wavelength(μm)	Radius of Curvature(mm)
	Screen Reset 50.8 38.1 25.4 12.7	Screen Reset F-250 F-100 F-75 F-300 F-200 F-150 F-750 F-650 F-500 F-125 F-50 F-60 F-25	Screen Reset 5 3.5 3 4.7 4.1 3.3 2 3.8 3.7 3.1 2.7 2.9 2.8 2.4	Screen Reset 7.5 10 12 5.8 5.6 5.5 4 3.9 3.7 3.8 4.2 4.6 4.9 6 3.4 3.1 3.5 4.7	Screen Reset 0.546 0.5876	Screen Reset -129.7 -51.9 -38.9 -155.6 -103.7 -77.8 -389 -337.2 -259.4 -64.8 -25.9 -31.1 -12.9
More+ Less	50.8	F-250	5	7.5	0.546	-129.7
Φ50.8mm，F-250，K9 Plano Concave Lenses Number：PG204F015 Dia(mm)：50.8 Focal Length(mm)：F-250 Center Thickness(mm)：5 Edge Thickness(mm)：7.5 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-129.7 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	50.8	F-100	3.5	10	0.546	-51.9
Φ50.8mm，F-100，K9 Plano Concave Lenses Number：PG204F010 Dia(mm)：50.8 Focal Length(mm)：F-100 Center Thickness(mm)：3.5 Edge Thickness(mm)：10 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-51.9 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	50.8	F-75	3	12	0.546	-38.9
Φ50.8mm，F-75，K9 Plano Concave Lenses Number：PG204F008 Dia(mm)：50.8 Focal Length(mm)：F-75 Center Thickness(mm)：3 Edge Thickness(mm)：12 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-38.9 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	38.1	F-300	4.7	5.8	0.546	-155.6
Φ38.1mm，F-300，K9 Plano Concave Lenses Number：PG204F004 Dia(mm)：38.1 Focal Length(mm)：F-300 Center Thickness(mm)：4.7 Edge Thickness(mm)：5.8 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-155.6 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	38.1	F-200	4.1	5.8	0.546	-103.7
Φ38.1mm，F-200，K9 Plano Concave Lenses Number：PG204F003 Dia(mm)：38.1 Focal Length(mm)：F-200 Center Thickness(mm)：4.1 Edge Thickness(mm)：5.8 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-103.7 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	38.1	F-150	3.3	5.6	0.546	-77.8
Φ38.1mm，F-150，K9 Plano Concave Lenses Number：PG204F002 Dia(mm)：38.1 Focal Length(mm)：F-150 Center Thickness(mm)：3.3 Edge Thickness(mm)：5.6 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-77.8 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	38.1	F-100	2	5.5	0.546	-51.9
Φ38.1mm，F-100，K9 Plano Concave Lenses Number：PG204F001 Dia(mm)：38.1 Focal Length(mm)：F-100 Center Thickness(mm)：2 Edge Thickness(mm)：5.5 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-51.9 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	25.4	F-750	3.8	4	0.546	-389
Φ25.4mm，F-750，K9 Plano Concave Lenses Number：PG204E029 Dia(mm)：25.4 Focal Length(mm)：F-750 Center Thickness(mm)：3.8 Edge Thickness(mm)：4 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-389 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	25.4	F-650	3.7	3.9	0.546	-337.2
Φ25.4mm，F-650，K9 Plano Concave Lenses Number：PG204E028 Dia(mm)：25.4 Focal Length(mm)：F-650 Center Thickness(mm)：3.7 Edge Thickness(mm)：3.9 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-337.2 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant
More+ Less	25.4	F-500	3.7	4	0.546	-259.4
Φ25.4mm，F-500，K9 Plano Concave Lenses Number：PG204E027 Dia(mm)：25.4 Focal Length(mm)：F-500 Center Thickness(mm)：3.7 Edge Thickness(mm)：4 Design Wavelength(μm)：0.546 Radius of Curvature(mm)：-259.4 Surface Quality：40-20 Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Substrate Material：K9 PV@632.8nm：λ/4 Centering：<3′ Clear Aperture：>90% Coating：Uncoated REACH：Compliant ROHS：Compliant

Material Data
Optical Properties
Transmission Range	0.35-2μm
Refractive index	1.5168@587.5618nm 3×10-2@10.6μm
Reflection loss	8.1%@587.5618nm(both sides)
Physical Properties
Density [g/cm3]	2.51
Melting Point [℃]	559
Thermal Conductivity [W/(m•deg C)]	1.114
Thermal Expansion [deg C-1for -30/+70 degC]	7.1*10-6
Specific Heat Capacity [J/(kg•deg C)]	0.858*103
Young's Modulus(E)[GPa]	82
Bulk Modulus(K)[GPa]	34
Poisson Coefficient	0.206
Chemical Properties
Solubility / g/L	None

K9 Plano-concave Lens

Technical Parameter

Material Data

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