eo_logo
  • Country/Region
  • cart   
 
See all 202 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

50mm Dia., 4mm Thick, MgF2 Coated λ/4 N-BK7 Window

Stock #45-584
£72.25
×
Qty 1-5
£72.25
Qty 6
£57.80
Volume Pricing
Request a Quote
Abbe Number (vd):
64.17
Clear Aperture (%):
90
Diameter (mm):
50.00 +0.0/-0.25
Thickness (mm):
4.00
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Coefficient of Thermal Expansion CTE (10-6/°C):
7.1
Knoop Hardness (GPa):
610
Young's Modulus (GPa):
82
Density (g/cm3):
2.51
Index of Refraction nd:
1.516
Parallelism (arcmin):
1.00
Poisson's Ratio:
0.206
Substrate:
Surface Flatness:
λ/4
Surface Quality:
60-40
Thickness Tolerance (mm):
±0.20
Type:
Protective Window
Typical Energy Density Limit:
10 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS 2015:
REACH 201:

Product Family Description

  • λ/4 Surface Flatness
  • Broadband Anti-Reflection Coating Options Available
  • Custom Coatings and Sizes Available for Volume OEM Quantities
  • Also Available with Laser Line V-Coats

TECHSPEC® λ/4 N-BK7 Precision Windows are ideally suited for industrial and low power laser applications. The high tolerance design yields minimal beam distortion and scatter. Broadband coating options extend the range of these precision windows through the visible and near-infrared spectra.

Title  Compare Stock Number  Price Buy
108.0mm Max Optic Dia., Jaw Clamp #53-038 £466.65
Qty 5+ £420.11 Request a Quote
  • 2-3 days
    ×
108.0mm Max Optic Dia., Jaw Clamp and 6" Kinematic Mount #53-040 £701.25
Qty 5+ £666.19 Request a Quote
  • 2-3 days
    ×
50.0/50.8mm Optic Dia., Precision Gimbal Mount #55-000 £359.13
Qty 5+ £323.21 Request a Quote
  • 2-3 days
    ×
50.0mm Optic Dia., Kinematic Mirror Mount #55-004 £200.60 Request a Quote
  • 2-3 days
    ×
50.0/50.8mm Optic Dia., Kinematic Mirror Mount #55-005 £250.75 Request a Quote
  • 2-3 days
    ×
50.0mm Optic Dia., Kinematic Mirror Mount with Micrometer #55-457 £214.20 Request a Quote
  • In Stock
    ×
50.0/50.8mm Optic Dia., Kinematic Mirror Mount with Micrometer #56-326 £267.75 Request a Quote
  • In Stock
    ×
118mm English Bar-Type Lens / Filter Holder #03-666 £80.96
Qty 10+ £72.89 Request a Quote
  • In Stock
    ×
67mm English Bar-Type Lens / Filter Holder #03-669 £77.56
Qty 10+ £69.91 Request a Quote
  • 2-3 days
    ×
10.0 - 60.0mm Optic Height, Bar-Type Optic Holder #55-530 £77.56
Qty 10+ £69.91 Request a Quote
  • In Stock
    ×
19.5 - 108.0mm Optic Dia., Three-Screw Adjustable Ring Mount #03-670 £73.74
Qty 10+ £66.51 Request a Quote
  • 2-3 days
    ×
9.5 - 73.0mm Optic Dia., Three-Screw Adjustable Ring Mount #36-605 £54.19
Qty 10+ £48.88 Request a Quote
  • In Stock
    ×
50.0/50.8mm Optic Dia., Optical Cell Assembly #36-465 £84.79
Qty 10+ £76.50 Request a Quote
  • 2-3 days
    ×
50.0/50.8mm Optic Dia., Kinematic Mount, 2-Screws #58-852 £101.15
Qty 5+ £91.16 Request a Quote
  • In Stock
    ×
50.0/50.8mm Optic Dia., Kinematic Mount, 3-Screws #58-855 £118.15
Qty 5+ £106.46 Request a Quote
  • Contact Us
    ×
50.0mm Optic Dia., Optic Mount #64-567 £42.50
Qty 10+ £38.25 Request a Quote
  • In Stock
    ×
50.0mm Optic Dia., Optic Mount #64-568 £42.50
Qty 10+ £38.25 Request a Quote
  • 2-3 days
    ×
50.0/50.8mm Optic Dia., 5 Axes Optical Mount #13-778 £582.25
Qty 5+ £553.14 Request a Quote
  • In Stock
    ×
50.0/50.8mm Optic Dia., X-Y Translating Optic Mount #62-957 £213.14
Qty 5+ £202.51 Request a Quote
  • Contact Us
    ×
50.0/50.8mm Optic Dia., X-Y-Z Translating Optic Mount #62-960 £420.75
Qty 5+ £399.71 Request a Quote
  • 2-3 days
    ×
5.0 - 100.0mm Optic Dia., Self-Centering Jaw Clamp #16-078 New
×
£289.00
Qty 5+ £260.10 Request a Quote
  • 2-3 days
    ×
50.0/50.8mm Optic Dia., E-Series Kinematic Mount #15-867 New
×
£59.90
Qty 10+ £56.90 Request a Quote
  • 2-3 days
    ×

Need a Quote? Add a stock number to begin our two-step quote process.

Edmund Optics Facebook Edmund Optics Twitter Edmund Optics YouTube Edmund Optics LinkedIn Edmund Optics Instagram

SELECTION OF OUR MEMBERSHIPS:

Spectaris Optence Photonics21 Epic EMVA EOS Photonics FranceCLP

×