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ZnSe Focusing Lens

Focusing lens are used to focus laser beam. The objective of focusing the laser beam is to use the laser power for material processing.

-10.6um

ZnSe Lenses are widely used for CO2 laser application because of its low absorption at infrared wavelengths as well as its visible transmission.

ZnSe Singlet Plano-Convex Lens (wavelength 10.6um)

ZnSe lenses can be provided as a generated blank, polished optic and/or coated to your requirements. We control the quality of the optic from material, through fabrication and coating, thus ensuring that you receive the highest quality optic in the market.

Specifications

Focusing Lens for CO2 Laser Focusing Lens for CO2 Laser

Diameter Tolerance +0/-0.13mm
Thickness Tolerance ±0.25mm
FL Tolerance <±2%
Centration <3 arc minutes
Clear Aperture >90%
Surface Figure <λ/2 per 1”Dia@632.8nm
Surface Quality 40-20 scratch and dig
AR/AR coating R<0.5% per surface @ 10.6um

Part No. Diameter (mm) EFL (mm) ET (mm)
LZ-8-22.5-ET1.8 8.0 22.5 1.8
LZ-8-50-ET2 8.0 50.0 2.0
LZ-10-1.5-ET2 10.0 38.1 2.0
LZ-12-7.1-ET1.5 12.0 7.1 1.5
LZ-0.5-1-ET2.1 12.7 25.4 2.1
LZ-0.5-1.5-ET2 12.7 38.1 2.0
LZ-0.5-1.5-ET2.1 12.7 38.1 2.1
LZ-0.5-1.5-ET2.5 12.7 38.1 2.5
LZ-0.5-2.5-ET2 12.7 63.5 2.0
LZ-0.5-5-ET2 12.7 127.0 2.0
LZ-0.5-6-ET2 12.7 152.4 2.0
LZ-0.5-8-ET2 12.7 203.2 2.0
LZ-13-50.6-ET2.7 13.0 50.6 2.7
LZ-15-16-ET2 15.0 16.0 2.0
LZ-15-1.5-ET2 15.0 38.1 2.0
LZ-15.8-47-ET2 15.0 47.0 2.0
LZ-15-2-ET1.52 15.0 50.8 2.0
LZ-15-150-ET2 15.0 150.0 2.0
LZ-0.6-1-ET2 15.2 25.4 2.0
LZ-0.6-1.5-ET3 15.2 38.1 3.0
LZ-0.6-1.5-ET2 15.2 38.1 2.0
LZ-0.6-1.5-ET1.5 15.2 38.1 1.5
LZ-0.6-2-ET2 15.2 50.6 2.0
LZ-0.6-2.5-ET2 15.2 63.5 2.0
LZ-0.6-3.5-ET2 15.2 88.9 2.0
LZ-0.6-4-ET2 15.2 101.6 2.0
LZ-0.6-5-ET2 15.2 127.0 2.0
LZ-17.5-1.5-ET2 17.5 38.1 2.0
LZ-17.5-2.0-ET2.1 17.5 50.8 2.1
LZ-17.5-2.5-ET2 17.5 63.5 2.0
LZ-17.5-3-ET2.3 17.5 76.2 2.3
LZ-17.5-3.38-ET2 17.5 86.4 2.0
LZ-18-127-ET2 18.0 127.0 2.0
LZ-0.75-1-ET2 19.0 25.4 2.0
LZ-0.75-1.5-ET2 19.0 38.1 2.0
LZ-0.75-2-ET2 19.0 50.6 2.0
LZ-0.75-2.5-ET2 19.0 63.5 2.0
LZ-0.75-70-ET2 19.0 70.0 2.0
LZ-0.75-3-ET2 19.0 76.2 2.0
LZ-0.75-4-ET2 19.0 101.6 2.0
LZ-0.75-4-ET3 19.0 101.6 3.0
LZ-0.75-5-ET2 19.0 127.0 2.0
LZ-0.75-12-ET2 19.0 304.8 2.0
LZ-20-22-ET5 20.0 22.0 5.0
LZ-20-1.5-ET2 20.0 38.1 2.0
LZ-20-38.6-ET3.5 20.0 38.6 3.5
LZ-20-2-ET2 20.0 50.8 2.0
LZ-20-6.9-ET2.8 20.0 175.3 2.8
LZ-20-14.5-ET2.9 20.0 369.1 2.9
LZ-21.8-76-ET3 21.0 76.0 3.0
LZ-22-3-ET2.2 22.0 76.2 2.2
LZ-25-2.5-ET2 25.0 63.5 2.0
LZ-25-3-ET2 25.0 76.2 2.0
LZ-25-3.76-ET2.4 25.0 96.5 2.4
LZ-1-0.5-ET2 25.4 12.7 2.0
LZ-1-1-ET3 25.4 25.4 3.0
LZ-1-30-ET3 25.4 30.0 3.0
LZ-1-1.5-ET2.1 25.4 38.1 2.1
LZ-1-1.5-ET3 25.4 38.1 3.0
LZ-1-2-ET2 25.4 50.8 2.0
LZ-1-2-ET3 25.4 50.8 3.0
LZ-1-2.5-ET3 25.4 63.5 3.0
LZ-1-2.5-ET2 25.4 63.5 2.0
LZ-1-3-ET3 25.4 76.2 3.0
LZ-1-3-ET2 25.4 76.2 2.0
LZ-1-4-ET3 25.4 101.6 3.0
LZ-1-4-ET2 25.4 101.6 2.0
LZ-1-5-ET3 25.4 127.0 3.0
LZ-1-5-ET6 25.4 127.0 6.0
LZ-1-6-ET2 25.4 152.4 2.0
LZ-1-6.17-ET3 25.4 152.4 3.0
LZ-1-7-ET3 25.4 177.8 3.0
LZ-1-7.5-ET3 25.4 190.5 3.0
LZ-1-300-ET3 25.4 300.0 3.0
LZ-1-400-ET3 25.4 400.0 3.0
LZ-27-48-ET2 27.0 48.0 2.0
LZ-1.1-1-ET3 27.9 25.4 3.0
LZ-1.1-1.5-ET3 27.9 38.1 3.0
LZ-1.1-2-ET3 27.9 50.8 3.0
LZ-1.1-2.5-ET2 27.9 63.4 2.0
LZ-1.1-2.5-ET3 27.9 63.5 3.0
LZ-1.1-67.4-ET2 27.9 67.4 2.0
LZ-1.1-3-ET2 27.9 76.2 2.0
LZ-1.1-3-ET3 27.9 76.2 3.0
LZ-1.1-3.5-ET2.5 27.9 88.9 2.5
LZ-1.1-3.5-ET3 27.9 88.9 3.0
LZ-1.1-3.75-ET3 27.9 95.2 3.0
LZ-1.1-3.75-ET3.5 27.9 95.2 3.5
LZ-1.1-4-ET3 27.9 101.6 3.0
LZ-1.1-5-ET2 27.9 125.7 2.0
LZ-1.1-5-ET6 27.9 127.0 6.0
LZ-1.1-5-ET3 27.9 127.0 3.0
LZ-30-69.65-ET2.8 30.0 69.6 2.8
LZ-30-3-ET3 30.0 76.2 3.0
LZ-30-76.7-ET3 30.0 76.7 3.0
LZ-30-77.9-ET3 30.0 77.9 3.0
LZ-30-90.15-ET3 30.0 90.1 3.0
LZ-30-3.75-ET2.2 30.0 94.0 2.2
LZ-30-94.7-ET3.1 30.0 94.7 3.1
LZ-30-112.20-ET2.3 30.0 112.2 2.3
LZ-30-6.6-ET3.5 30.0 167.6 3.5
LZ-1.25-3-ET3 31.7 76.2 3.0
LZ-38-150-ET3 38.0 150.0 3.0
LZ-38-190.25-ET3.3 38.0 190.0 3.3
LZ-38-300-ET3 38.0 300.0 3.0
LZ-1.5-15-ET3 38.1 15.0 3.0
LZ-1.5-25-ET2 38.1 25.0 2.0
LZ-1.5-1.5-ET3 38.1 38.1 3.0
LZ-1.5-2-ET3 38.1 50.8 3.0
LZ-1.5-2.5-ET3 38.1 63.5 3.0
LZ-1.5-2.5-ET6 38.1 63.5 6.0
LZ-1.5-2.5-ET2 38.1 65.2 2.0
LZ-1.5-3-ET3 38.1 76.2 3.0
LZ-1.5-3.5-ET3 38.1 90.5 3.0
LZ-1.5-3.75-ET3 38.1 95.2 3.0
LZ-1.5-100-ET3 38.1 100.0 3.0
LZ-1.5-5-ET5 38.1 128.1 5.0
LZ-1.5-5-ET7.6 38.1 128.1 7.6
LZ-1.5-5-ET8 38.1 128.1 8.0
LZ-1.5-5-ET6 38.1 128.1 6.0
LZ-1.5-5-ET3 38.1 128.1 3.0
LZ-1.5-5.13-ET7 38.1 130.3 7.0
LZ-1.5-175-ET3.3 38.1 175.0 3.3
LZ-1.5-7.5-ET7.6 38.1 189.0 7.6
LZ-1.5-7.5-ET6 38.1 190.5 6.0
LZ-1.5-7.5-ET8 38.1 191.0 8.0
LZ-1.5-7.5-ET4 38.1 191.0 4.0
LZ-1.5-7.63-ET7.6 38.1 193.0 7.6
LZ-1.5-205-ET3 38.1 205.0 3.0
LZ-1.5-9-ET4 38.1 228.6 4.0
LZ-1.5-10-ET7.6 38.1 254.0 7.6
LZ-1.5-400-ET3 38.1 400.0 3.0
LZ-1.5-1000-ET2.5 38.1 1000.0 2.5
LZ-1.5-3500-ET3 38.1 3500.0 3.0
LZ-50-11.8-ET3 50.0 11.8 3.0
LZ-50-45-ET5 50.0 45.0 5.0
LZ-50-50-ET3 50.0 50.0 3.0
LZ-50-67-ET3 50.0 67.0 3.0
LZ-50-3.94-ET3 50.0 99.1 3.0
LZ-50-100-ET10 50.0 100.0 10.0
LZ-50-6-ET3 50.0 152.4 3.0
LZ-50-200-ET10 50.0 200.0 10.0
LZ-50-200-ET5 50.0 200.0 5.0
LZ-50-1000-ET5 50.0 1000.0 5.0
LZ-2-15-ET3.5 50.8 15.0 3.5
LZ-2-20-ET5 50.8 20.0 5.0
LZ-2-25-ET1.5 50.8 25.0 1.5
LZ-2-50-ET3 50.8 50.0 3.0
LZ-2-2-ET3.5 50.8 50.8 3.5
LZ-2-2.5-ET6 50.8 63.5 6.0
LZ-2-100-ET3 50.8 100.0 3.0
LZ-2-5-ET7.8 50.8 127.0 7.8
LZ-2-5-ET9.6 50.8 127.0 9.6
LZ-2-5-ET3 50.8 127.0 3.0
LZ-2-5-ET8 50.8 128.1 8.0
LZ-2-150-ET3 50.8 150.0 3.0
LZ-2-6-ET3 50.8 152.4 3.0
LZ-2-171-ET3.2 50.8 171.0 3.2
LZ-2-7.5-ET8 50.8 190.2 8.0
LZ-2-7.5-ET9 50.8 191.2 9.0
LZ-2-8.75-ET7.8 50.8 222.2 7.8
LZ-2-250-ET3 50.8 250.0 3.0
LZ-2-10-ET9.6 50.8 254.0 9.6
LZ-2-10-ET8 50.8 256.6 8.0
LZ-2-13-ET3 50.8 330.2 3.0
LZ-2-500-ET3 50.8 500.0 3.0
LZ-2-1000-ET3 50.8 1000.0 3.0
LZ-2.5-5-ET6 63.5 127.0 6.0
LZ-2.5-8.75-ET7.9 63.5 222.2 7.9
LZ-3-100-ET10 76.2 100.0 10.0
LZ-3-200-ET5 76.2 200.0 5.0
LZ-3-1000-ET10 76.2 1000.0 10.0
LZ-3-4500-ET10 76.2 4500.0 10.0
LZ-4-500-ET8 101.6 500.0 8.0
Focusing Lens for CO2 Laser

Specifications

Diameter Tolerance +0/-0.13mm
Thickness Tolerance ±0.25mm
FL Tolerance <±2%
Centration <3 arc minutes
Clear Aperture >90%
Surface Figure <λ/2 per 1”Dia@632.8nm
Surface Quality 40-20 scratch and dig
AR/AR coating R<0.5% per surface @ 10.6um

ZnSe Singlet Positive Meniscus Lenses (wavelength 10.6um)

Part No. Diameter (mm) EFL (mm) BFL (mm) ET (mm)
LZM-12-18.8-ET1.4 12.0 18.8 19.0 1.4
LZM-12-18.8-ET2 12.0 18.8 19.0 2.0
LZM-0.5-17.6-ET2.4 12.7 17.6 15.3 2.4
LZM-0.5-3-ET2.5 12.7 76.2 74.3 2.5
LZM-0.6-1.5-ET2 15.2 38.1 38.0 2.0
LZM-15.8-47-ET2.1 15.8 47.0 48.0 2.1
LZM-18-23.42-ET1.68 18.0 23.4 24.0 1.7
LZM-18-50-ET2 18.0 50.0 51.0 2.0
LZM-19-7.5-ET2 19.0 191.2 189.7 2.0
LZM-0.75-1.5-ET2 19.1 38.1 38.0 2.0
LZM-0.75-2-ET1.5 19.1 50.8 49.3 1.5
LZM-0.75-2-ET2 19.1 50.8 49.0 2.0
LZM-19-2.5-ET2 19.1 63.5 61.7 2.0
LZM-0.75-2.5-ET2 19.1 63.5 64.0 2.0
LZM-0.75-2.5-ET1.5 19.1 63.5 62.1 1.5
LZM-0.75-3-ET2 19.1 76.2 64.0 2.0
LZM-0.75-3-ET3 19.1 76.2 73.9 3.0
LZM-0.75-3.5-ET2 19.1 88.9 90.0 2.0
LZM-0.75-5-ET3 19.1 127.0 124.8 3.0
LZM-0.75-5-ET2 19.1 127.0 125.5 2.0
LZM-20-2-ET2 20.0 50.8 64.0 2.0
LZM-20-2-ET2-I 20.0 50.8 48.9 2.0
LZM-20-2.5-ET2 20.0 63.5 64.0 2.0
LZM-22-6-ET3 21.5 152.4 128.0 3.0
LZM-24-37.1-ET1.5 24.0 37.1 38.0 1.5
LZM-25-3-ET2.3 25.0 76.2 74.1 2.3
LZM-1-10-ET3 25.4 10.0 226.0 3.0
LZM-1-1-ET2 25.4 25.4 22.4 2.0
LZM-1-1.5-ET2 25.4 38.1 35.6 2.0
LZM-1-1.5-ET3 25.4 38.1 38.0 3.0
LZM-1-45.8-ET3.75B 25.4 45.8 42.4 3.8
LZM-1-50-ET3 25.4 50.0 51.0 3.0
LZM-1-2-ET2 25.4 50.8 51.0 2.0
LZM-1-2-ET3 25.4 50.8 51.0 3.0
LZM-1-2.5-ET2 25.4 63.5 61.5 2.0
LZM-1-2.5-ET3 25.4 63.5 51.0 3.0
LZM-1-73.8-ET3.2 25.4 73.8 74.0 3.2
LZM-1-3-ET2 25.4 76.2 76.0 2.0
LZM-1-3.75-ET3 25.4 95.2 96.0 3.0
LZM-1-100-ET3 25.4 100.0 102.0 3.0
LZM-1-4-ET3 25.4 101.6 102.0 3.0
LZM-1-102-ET3 25.4 102.0 102.0 3.0
LZM-1-5-ET2.5 25.4 127.0 125.0 2.5
LZM-1-5-ET3 25.4 127.0 128.0 3.0
LZM-1-152-ET3 25.4 152.0 153.0 3.0
LZM-1-6-ET3 25.4 152.4 153.0 3.0
LZM-1-7.5-ET3 25.4 190.5 188.3 3.0
LZM-1-200-ET3 25.4 200.0 201.0 3.0
LZM-1-8-ET3 25.4 203.2 201.0 3.0
LZM-27-62.4-ET2 27.0 62.4 64.0 2.0
LZM-1.1-1.5-ET2 27.9 38.1 35.4 2.0
LZM-1.1-54.1-ET1.7 27.9 54.1 55.0 1.7
LZM-1.1-2.5-ET2 27.9 63.5 64.0 2.0
LZM-1.1-2.5-ET3 27.9 63.5 61.0 3.0
LZM-1.1-3.75-ET2.5 27.9 95.2 96.0 2.5
LZM-1.1-3.75-ET3 27.9 95.2 96.0 3.0
LZM-1.1-5-ET5.1 27.9 127.0 13.3 5.1
LZM-1.1-5-ET2 27.9 127.0 125.0 2.0
LZM-1.1-5-ET3 27.9 127.0 126.0 3.0
LZM-1.1-5-ET4 27.9 127.0 127.7 4.0
LZM-1.1-5-ET6 27.9 127.0 122.7 6.0
LZM-1.1-7.5-ET6 27.9 190.5 191.0 6.0
LZM-30-54-ET5 30.0 54.0 49.7 5.0
LZM-30-69.1-ET2.84 30.0 69.1 70.0 2.8
LZM-30-3-ET2.5 30.0 76.2 73.8 2.5
LZM-30-100.7-ET5.2 30.0 100.7 96.7 5.2
LZM-30-117.6-ET2.6 30.0 117.6 119.0 2.6
LZM-30-118.4-ET3 30.0 118.4 119.0 3.0
LZM-30-150.1-ET3 30.0 150.1 153.0 3.0
LZM-32-71-ET2.7 32.0 71.0 72.0 2.7
LZM-32-80.1-ET2.3 32.0 80.1 77.8 2.3
LZM-1.5-1.5-ET3 38.1 38.1 33.7 3.0
LZM-1.5-2-ET3 38.1 50.8 47.0 3.0
LZM-1.5-2.5-ET7.3 38.1 63.5 57.4 7.3
LZM-1.5-2.5-ET6 38.1 63.5 0.0 6.0
LZM-1.5-3-ET3 38.1 76.2 73.0 3.0
LZM-1.5-3.75-ET6 38.1 95.2 90.4 6.0
LZM-1.5-4-ET3 38.1 101.6 98.7 3.0
LZM-1.5-5-ET2.4 38.1 127.0 124.7 2.4
LZM-1.5-5-ET7.8 38.1 127.0 121.2 7.8
LZM-1.5-5-ET7.87 38.1 127.0 121.1 7.9
LZM-1.5-5-ET9 38.1 127.0 120.5 9.0
LZM-1.5-5-ET6 38.1 127.0 125.0 6.0
LZM-1.5-5-ET7.4 38.1 127.0 121.5 7.4
LZM-1.5-5-ET3 38.1 127.0 125.0 3.0
LZM-1.5-5-ET7 38.1 127.0 125.0 7.0
LZM-1.5-6-ET3 38.1 152.4 149.8 3.0
LZM-1.5-6-ET5.5 38.1 152.4 148.2 5.5
LZM-1.5-7.5-ET7.9 38.1 190.5 1.0 7.9
LZM-1.5-7.5-ET7 38.1 190.5 186.0 7.0
LZM-1.5-7.5-ET7.4 38.1 190.5 185.1 7.4
LZM-1.5-7.5-ET9 38.1 190.5 184.1 9.0
LZM-1.5-7.5-ET6.2 38.1 190.5 186.0 6.2
LZM-1.5-7.5-ET2 38.1 190.5 188.7 2.0
LZM-1.5-7.5-ET3 38.1 190.5 188.0 3.0
LZM-1.5-7.5-ET6 38.1 190.5 185.0 6.0
LZM-1.5-7.5-ET4 38.1 190.5 187.4 4.0
LZM-1.5-8-ET3 38.1 203.2 200.7 3.0
LZM-1.5-8.858-ET7.4 38.1 225.0 218.1 7.4
LZM-1.5-10-ET7.4 38.1 254.0 248.7 7.4
LZM-40-150-ET4 40.0 150.0 151.0 4.0
LZM-2-2-ET3.5-IRDB 50.8 50.8 45.3 3.5
LZM-2-150-ET3 50.8 150.0 147.0 3.0
LZM-2-7.5-ET9.6 50.8 190.5 184.6 9.6
LZM-2-10-ET9.6 50.8 254.0 246.9 9.6
LZM-2-15-ET3.5-IRDB 50.8 381.0 377.0 3.5
LZM-2-700-ET3 50.8 700.0 698.3 3.0
LZM-2-1300-ET6 50.8 1300.0 1297. 6.0
LZM-2-1300-ET4 50.8 1300.0 1298. 4.0
LZM-55-122.8-ET3.3 55.0 122.8 119.1 3.3
LZM-60-79.1-ET1.66 60.0 79.1 75.2 1.7
LZM-60-79.1-ET1.7 60.0 79.1 75.1 1.7
LZM-60-267.7-ET3.3 60.0 267.7 264.7 3.3
LZM-67-92.6-ET3 67.0 92.6 87.7 3.0
LZM-75-200-ET3 75.0 200.0 196.3 3.0