• 9118040
  • 9118040
  • 9118040
  • 9118040

REPRESENTATIVE IMAGE

Attributes

Description CF275 DUV Grade (Laser) Fused Silica Viewport w/ Broadband AR Coating for 425-760nm
Flange Size 2.75
View Diameter 1.4
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All dimensions are in inches unless otherwise specified.

CF275-ZLVP-Q-DUV-BBAR-425-760-1.40

DUV Fused Silica Viewport with 2.75 in. (DN 40) ConFlat Flange – Broadband AR Coating

$835.00

Available on backorder

Part ID: 9118054
						

				

				

				

			


Description




    

  • DUV grade (laser) fused silica viewport
    • 

  • Broadband AR coating
    • 

  • Laser grade fused silica windows
    • 

  • Broadband anti-reflective coating for optimum performance
    • 

  • Bakeable to 200°C
    • 

  • Non-magnetic materials
    • 

  • Zero-length profile
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  • UHV compatible
    • 









Specifications




    

  • Flange material: 304 stainless steel
    • 

  • Window material: Corning HPFS 7980 fused silica or equivalent
    • 

  • TWD < λ/4 @ 632nm (peak to valley)
    • 

  • Parallelism: < 10 arc seconds
    • 

  • Surface finish: 20/10 scratch-dig
    • 

  • Thermal range: -100°C to 200°C
    • 

  • Bake-out ramp rate: 20°C per minute
    • 

  • Homogeneity grade: A
    • 

  • Inclusion class: 0
    • 

  • BBAR coated both sides:

      

    • 425-760nm, R avg. < 0.5% per surface
      • 

    • 550-1100nm, R avg. < 0.5% per surface
      • 

    

    • 

  • Laser damage threshold: 10 J/cm2 for 10 ns pulse
    • 

  • Leak rate < 1 X 10-9 atm-cc/sec He
    • 









Options: Call for price and delivery




    

  • All Titanium Viewports
    • 

  • Weld Adapters
    • 

  • Re-entrant Designs
    • 

  • ISO Flanges
    • 

  • AR Coating for 1550nmAR Coating for 808nm
    • 

  • Dual AR Coatings
    • 

  • EUV Grade (Excimer) Viewports
    • 

  • IR Grade (Low OH) Viewports
    • 

  • Geochronological Viewports
    • 

  • Custom viewports and coatings
    • 









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Attributes
		

				

				

				

			
        

            

                

                    
                    
        
                

                    Description CF275 DUV Grade (Laser) Fused Silica Viewport w/ Broadband AR Coating for 425-760nm

                

                    Flange Size 2.75

                

                    View Diameter 1.4

                

                    3D CADLogin

                

                    DrawingLogin

                

                    

        
                

            

        

        		

				

				

				

							
All dimensions are in inches unless otherwise specified.
						

				

					

		

					

		

				

						

					

			

							

		

					

		

				

						

					

			

						

				

			
	


					
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