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Broadband, 18mm FL ZnSe Focusing Objective

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Stock #88-448 Clearance
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S$713.93
Qty 1+
S$713.93
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Clear Aperture CA (mm):
5.00
Coating:
2 - 12μm
Center Wavelength CWL (nm):
7000.00
Design Wavelength DWL (nm):
7000
Focal Length FL (mm):
18.00
Model Number:
LFO-5-18
Length excluding Threads (mm):
23.70
Maximum Diameter (mm):
23.9
Numerical Aperture NA:
0.08
Mounting Threads:
RMS / 20.32mm x 36 TPI
Transmission (%):
T> 95% from 2-12μm
Compatible Tube Lens Focal Length (mm):
N/A
Type:
Microscope Objective
Working Distance (mm):
17.5
Parfocal Length (mm):
41.2
Coating Specification:
T> 95% from 2 – 12μm
Wavelength Range (nm):
2000 - 12000
Style:
Infinity Corrected
Manufacturer:
Innovation Photonics
Immersion Liquid:
N/A

Regulatory Compliance

RoHS:
Not Compliant
Certificate of Conformance:

Product Family Description

  • Maximum Coupling Efficiency of Beams up to 5mm
  • Easy Alignment with HeNe Lasers
  • Performance from 2 - 12μm

Zinc Selenide Infrared (IR) Focusing Objectives are designed to provide maximum coupling efficiency between the output from an IR source and a single-mode or multi-mode transmitting fiber optic. The aspheric design provides a focal spot smaller than the fiber core diameter, allowing for precision alignment without negatively impacting transmission between the objective and fiber. Zinc Selenide Infrared (IR) Focusing Objectives are available with a broadband anti-reflection (AR) coating for 2 - 12μm, and are ideal for a range of fiber coupling and IR focusing applications.

Laser Optics

Focal Spot Size (μm)
Beam Diameter (mm) 3.75(μm) CWL 4.75(μm) CWL 8.50(μm) CWL
6mm FL 12mm FL 18mm FL 6mm FL 12mm FL 18mm FL 6mm FL 12mm FL 18mm FL
2.0 15 30 46 23 46 69 30 61 91
2.5 12 24 37 18 37 55 24 49 73
3.0 14 20 30 15 30 46 20 41 61
4.0 32 15 23 32 23 34 32 30 46
5.0 63 16 18 63 18 27 63 24 37
 
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