Laser Focusing Objectives

Single Line Focusing Objectives

All Special Optics Single Line Focusing Objectives are corrected for astigmatism and coma over the specified spectral range. However, they are not corrected for chromatic aberrations. These lenses are well suited for use with Solid State and Gas Lasers where only one wavelength is in use, or when shifts in focal length can be tolerated as the wavelength must be specified when ordering to indicate the appropriate anti-reflection coatings.

Features
  • Diffraction-limited design
  • Air-Spaced for High Power Applications
  • Standard Models Available for UV Wavelengths
SPECS
  • Coating Damage Threshold
    500 MW/cm2
  • Surface Quality
    20-10
  • Transmission
    > 97%
  • Wavelength Range (microns)
    < 1/4 Wave
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Model Description
54-25-125-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 23
Back Focal Length (mm) 121.9
Effective Focal Length (mm) 127.2
F/# 5.5
Outside Diameter (mm) 38.10
Wavelength Range (nm) 500 - 1100
54-40-180-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 40
Back Focal Length (mm) 163.8
Effective Focal Length (mm) 180.0
Outside Diameter (mm) 50.80
Wavelength Range (nm) 1064
54-47-130-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 47
Back Focal Length (mm) 121.5
Effective Focal Length (mm) 134.9
F/# 2.7
Outside Diameter (mm) 57.15
Wavelength Range (nm) 320 - 1100
54-15-15-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 15
Back Focal Length (mm) 3.0
Effective Focal Length (mm) 15.0
F/# 1.0
Outside Diameter (mm) 28.58
Wavelength Range (nm) 600-1550
54-18-52-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 18
Back Focal Length (mm) 42.3
Effective Focal Length (mm) 50.6
F/# 2.8
Outside Diameter (mm) 25.40
Wavelength Range (nm) 750 - 900, 1300
54-152-400-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 152
Back Focal Length (mm) 389.4
Effective Focal Length (mm) 401.2
F/# 2.6
Outside Diameter (mm) 165.10
Wavelength Range (nm) 500-650
54-17-30-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 17
Back Focal Length (mm) 21.9
Effective Focal Length (mm) 30.9
F/# 1.7
Outside Diameter (mm) 31.75
Wavelength Range (nm) 300 - 1100
54-25-87-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 22
Back Focal Length (mm) 81.7
Effective Focal Length (mm) 88.7
F/# 4.0
Outside Diameter (mm) 28.57
Wavelength Range (nm) 300 - 650
54-25-60-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 22
Back Focal Length (mm) 46.8
Effective Focal Length (mm) 60.5
F/# 2.7
Outside Diameter (mm) 31.75
Wavelength Range (nm) 500 - 1100
54-40-100-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 40
Back Focal Length (mm) 84.1
Effective Focal Length (mm) 99.9
F/# 2.5
Outside Diameter (mm) 57.15
Wavelength Range (nm) 532, 1064
54-40-87-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 40
Back Focal Length (mm) 50.0
Effective Focal Length (mm) 87.0
F/# 2.2
Outside Diameter (mm) 53.98
Wavelength Range (nm) 532
54-75-175-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 75
Back Focal Length (mm) 163.8
Effective Focal Length (mm) 174.8
F/# 2.3
Outside Diameter (mm) 89.90
Wavelength Range (nm) 1064
54-11-20-λ High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
Specifications
Aperture (mm) 11
Back Focal Length (mm) 12.8
Effective Focal Length (mm) 20.02
F/# 1.8
Outside Diameter (mm) 14.98
Wavelength Range (nm) 500 - 1100
54-25-125-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-25-125-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
23
Back Focal Length (mm)
121.9
Effective Focal Length (mm)
127.2
F/#
5.5
Outside Diameter (mm)
38.10
Wavelength Range (nm)
500 - 1100
54-40-180-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-40-180-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
40
Back Focal Length (mm)
163.8
Effective Focal Length (mm)
180.0
Outside Diameter (mm)
50.80
Wavelength Range (nm)
1064
54-47-130-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-47-130-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
47
Back Focal Length (mm)
121.5
Effective Focal Length (mm)
134.9
F/#
2.7
Outside Diameter (mm)
57.15
Wavelength Range (nm)
320 - 1100
54-15-15-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-15-15-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
15
Back Focal Length (mm)
3.0
Effective Focal Length (mm)
15.0
F/#
1.0
Outside Diameter (mm)
28.58
Wavelength Range (nm)
600-1550
54-18-52-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-18-52-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
18
Back Focal Length (mm)
42.3
Effective Focal Length (mm)
50.6
F/#
2.8
Outside Diameter (mm)
25.40
Wavelength Range (nm)
750 - 900, 1300
54-152-400-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-152-400-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
152
Back Focal Length (mm)
389.4
Effective Focal Length (mm)
401.2
F/#
2.6
Outside Diameter (mm)
165.10
Wavelength Range (nm)
500-650
54-17-30-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-17-30-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
17
Back Focal Length (mm)
21.9
Effective Focal Length (mm)
30.9
F/#
1.7
Outside Diameter (mm)
31.75
Wavelength Range (nm)
300 - 1100
54-25-87-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-25-87-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
22
Back Focal Length (mm)
81.7
Effective Focal Length (mm)
88.7
F/#
4.0
Outside Diameter (mm)
28.57
Wavelength Range (nm)
300 - 650
54-25-60-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-25-60-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
22
Back Focal Length (mm)
46.8
Effective Focal Length (mm)
60.5
F/#
2.7
Outside Diameter (mm)
31.75
Wavelength Range (nm)
500 - 1100
54-40-100-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-40-100-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
40
Back Focal Length (mm)
84.1
Effective Focal Length (mm)
99.9
F/#
2.5
Outside Diameter (mm)
57.15
Wavelength Range (nm)
532, 1064
54-40-87-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-40-87-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
40
Back Focal Length (mm)
50.0
Effective Focal Length (mm)
87.0
F/#
2.2
Outside Diameter (mm)
53.98
Wavelength Range (nm)
532
54-75-175-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-75-175-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
75
Back Focal Length (mm)
163.8
Effective Focal Length (mm)
174.8
F/#
2.3
Outside Diameter (mm)
89.90
Wavelength Range (nm)
1064
54-11-20-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specs & Docs
54-11-20-λ
High Transmission, Diffraction Limited Performance for Specific Wavelengths
Specifications
Aperture (mm)
11
Back Focal Length (mm)
12.8
Effective Focal Length (mm)
20.02
F/#
1.8
Outside Diameter (mm)
14.98
Wavelength Range (nm)
500 - 1100
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