[ Home ] [ View Basket ] [ Go To Checkout ] [ Help ] [ Contact Us ] [ Site Map ]
Knight Optical U.K. Ltd. = Optical Component Specialists
Search the Site
> Kotek > History > Components > Press > Opportunities > Locate > Have Your Say
Online Store
  > Lenses
  > Filters
  > Diffusers
  > Windows
  > Optical Flats
  > Mirrors
  > Beamsplitters
  > Prisms
  > Polarisers
  > Retarders
  > Gratings/ Graticules and Apertures
Other Services
  > Latest News
  > Useful Links
  > Mailing List
  > Add to Favourites
  > Email a friend
  > Terms & Conditions

01622 859444
Secured by Secpay
We accept these credit cards

Quartz windows (λ/2)

These Quartz Windows are in (Vitreosil or equivalent) and usable down in the UV. They have excellent chemical and radiation resistance, and are usable up to 1050°C. For deep UV applications UV Grade Fused Silica is also available, which is listed both coated and with a multiplayer AR-coating for 248-400nm.
 

Knight Optical > Windows > Quartz Window (Lambda/2)

Only UK and EU customers are charged VAT at 17.5%, customers outside the EU and EU customers based outside the UK who have a valid EU VAT number will not be charged VAT

Bulk Discounts!
Where (B) appears next to a price below, bulk prices are available, click the (B) button to view!


PDFPart No.MaterialDiameter (mm)Thickness (mm)PriceQtyBuy
WHQ1500
Quartz
15
3
£8.85

WHQ1600
Quartz
16
1.5
£8.85

WHQ2500
Quartz
25
3
£13.60

WHQ4000
Quartz
40
3
£21.50

Knight Optical > Windows > Quartz Window (Lambda/2)
Specification  
Material: Quartz Glass (Vitreosil or equivalent)
Material Data: (see materials section)
Diameter Tolerance: +0.0 / -0.20 mm
Length / width Tolerance: +0.0/-0.20 mm
Thickness Tolernace: ±0.1mm
Surface Quality: <40:20
Flatness: >λ/2 over 90% of diameter
Parallelism <30 arcsec
 

Specific requirements
We can manufacture Quartz windows to any size at short notice, so if your requirements are not listed please contact us by telephone / fax or email: stockrequirement@knightoptical.co.uk

Options available
  · Mounting (circles up to 50mm dia.)
  · Other coatings
  · Edging to smaller diameters

See also
UV-fused silica windows (λ/2)
Sapphire windows (2.5 λ)


   
 
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
      Knight Optical (UK) Ltd
      Templetree House, Sandway Road, Harrietsham, Kent ME17 1HT. United Kingdom.
      Phone: +44 (0)1622 859444   Fax: +44 (0)1622 859555
      e-mail: info@knightoptical.co.uk   Web design by Smart ePos