Good evening all.  I have an application coming up that may require a custom, IR transparent 'glass' viewing port.  It is a non-industrial setting, but the material is going to have to withstand up to a 15 psi pressure differential.  The larger I can get this port the more accurate our results will be. 

 Thanks in advance for any suggestions you may have on what to use and where to go to get it.

 All the best

-John

Mr. Greg Stockton has a blog that may address some of that:  http://irinformir.blogspot.com/

In his post:  http://irinformir.blogspot.com/2009/10/ir-transparent-materials-for-windows.html

I liked the site he linked:  http://www.ispoptics.com/

Hope that helps.

Ron,

As good as Greg Stockton is, that's not his blog.  It's Gary Orlove's at ITC.

Jack

---

Jack M. Kleinfeld, P.E.
Kleinfeld Technical Services, Inc.
Bronx, NY
718-884-6644
JKEngineer@KleinfeldTechnical.com
come see what we can do for you: http://www.KleinfeldTechnical.com

Doh!

Thank you for the correction.

 

http://www.crystran.co.uk/

http://www.mt-berlin.com/charts/chart_05.htm#INDEX7

http://www.polytec-pi.fr/

http://www.hvir.com/

http://infrared.als.lbl.gov/content/web-links/58-irwindows

http://www.ispoptics.com/

http://www.janostech.com/

http://www.opticalwindows.co.uk/irwindows.html

http://www.sorem-france.com/index.htm

 

Thanks everyone for the leads!

Cheers

-John

I would add www.newport.com

 

---

Leslie M. Tack, Ph.D.
Director of Sales
Pembroke Instruments, LLC
1001 Bayhill Drive
Second Floor-Suite 200
San Bruno, California 94066 USA
Direct Telephone: 415-860-4217
email: Sales@pembrokeinstruments.com
website: www.pembrokeinstruments.com

I should add the window material I suggest is Zinc Selenide (ZnSe). I have some customers about to install ZnSe windows on vacuum chambers.

The camera calibartion may be a bit off through the window.

---

Leslie M. Tack, Ph.D.
Director of Sales
Pembroke Instruments, LLC
1001 Bayhill Drive
Second Floor-Suite 200
San Bruno, California 94066 USA
Direct Telephone: 415-860-4217
email: Sales@pembrokeinstruments.com
website: www.pembrokeinstruments.com

Pls use " sapphire" windows. It is the hardest material and hardness can be " Mohs 9".

 

For more information, pls email to sales@coeoptics.com / Jerry Chan

Saphire glass would not be a good choice with a long wave camera.

CaF2 window also available.

If your infrared wavelength is less than 3 micro, the sapphire and fused silica may be a good choice, or you may choose  the CaF2 crystals or ZnS and ZnSe crystals windows, CaF2 is a good IR crystals from 200nm upto 10 micro which is much cheaper than ZnS or ZnSe.

Hangzhou Lambda Photonics Technology provides the optics for IR applications. Here is our ability:

Optics components: blanks, Lens, windows, domed windows, prisms, mirrors, filters ;

Made from IR materials:  Germanium crystals, Silicon crystals, Sapphire, CaF2, MgF2, BaF2, ZnSe, ZnS, fused silica ect.

 

 

Best Regards

 

James Tang

Sales Engineer of

Hangzhou Lambda Photonics Technology Co. Ltd.

28Wantang Road, Hangzhou 310013, China

email: hqtang@lphotonics.com ； email and MSN: hqtang001@hotmail.com;

web: www.lphotonics.com  Tel: +86-571-85025818 ext.8809

Fax: +86-571-85025907