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Broadband, 12mm FL ZnSe Focusing Objective

Stock #88-447
£467.50
Qty 1-2
£467.50
Qty 3+
£444.13
Volume Pricing
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Numerical Aperture NA:
0.13
Clear Aperture CA (mm):
5.00
Compatible Tube Lens Focal Length (mm):
N/A
Design Wavelength DWL (nm):
7000
Focal Length FL (mm):
12.00
Length excluding Threads (mm):
23.7
Manufacturer:
Innovations Photonics
Maximum Diameter (mm):
23.9
Model Number:
LFO-5-12
Mounting Threads:
RMS / 20.32mm x 36 TPI
Parfocal Length (mm):
35.2
Style:
Infinity Corrected
Type:
Microscope Objective
Working Distance (mm):
11.5
Wavelength Range (nm):
2000 - 12000
Immersion Liquid:
N/A

Regulatory Compliance

RoHS:
Not Compliant

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

Technical Information

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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