Ultraviolet, Visible, Infrared, Terahertz viewports sales@dmphotonics.com

Ultraviolet, Visible, Infrared, Terahertz viewports sales@dmphotonics.com

Vacuum viewport
Del Mar Photonics offer a range of competitively priced UHV viewports , Conflat, ISO or KF including a variety of coatings to enhance performance. Del Mar Photonics viewports are manufactured using advanced techniques for control of special and critical processes, including 100 percent helium leak testing and x-ray measurements for metallization control. Windows Materials include: Fused silica, Quartz , Sapphire , MgF2, BaF2, CaF2, ZnSe, ZnS, Ge, Si, Pyrex. Standard Viewing diameters from .55″ to 1.94 “.
Coating – a range of custom coatings can applied – which include
- Single QWOT
- Broad Band AR
- V coatings
- DLC (Diamond like coating)


Sample specifications:


CF35 UHV View-port
Type of viewport: Zero Length
Transmission wavelengths range (Visible and Infrared): 0.4 micron to 5.0 micron
Anti Reflection Coating for the Infrared Wavelength Range (both side of the window material): 2.0 micron to 5.0 micron
Type of anti reflection coating: BBAR (Broad Band Anti Reflection) coating
Transmittance: ≥ 90% FOR 2.0 to 5.0 micron wavelength range.
Standard Flange Dimension CF35 (Conflat Flange)
Clear Viewing Diameter/Transmission
Aperture: ≥ 32 mm
Window material: ZnSe
Compatible to Vacuum Range (UHV):10^(-8) Torr
Baking Temperature: ≥ 100°C
Vacuum Seal Type:Vacuum seal type must be compatible to above temperature range and
Pressure range (Mechanical/Brazed/Bonding etc.)
Window material mounted on (CF-Flange material): Stainless Steel-304L (Non magnetic) or SS-316L (Non magnetic).
Part number:



Silicon viewports for Terahertz (THz) radiation – request a quote sales@dmphotonics.com
Si_CF63_viewport_60_4 – request a quote
CONFLAT FLANGE CF63 standard (=4.5 inch outer, 2.5 inch inner diameter)
Clear aperture size for the Si window: 60 mm
Thickness of the Si window: 4 mm
Orientation: single crystal, 111
Flatness: 3 waves at 633 nm
Housing or flange type/material: SS 304
Max Temperature: 150 C deg
Min Temperature: 15 C deg
Wavelength transmitted: transmission of femtosecond-generated THz radiation into UHV chamber: Frequency 0.5-5 THz (60-600 microns)
Window material: Silicon optical grade
Coating: none

Send your message to us:

  • * CAPTCHA: Please select the Car

Post time: Oct-11-2017
  • * CAPTCHA: Please select the Plane

WhatsApp Online Chat !