ISO 9001 - AS 9100 - ITAR Standard & Custom Optical Filters and Coatings

COLD MIRRORS

A Cold Mirror is the inverse of the Hot Mirror, it reflects the visible and transmits the infrared. Their coatings are all first-surface variety and like the hot mirrors, are also deposited onto low expansion material such as borosilicate glass. These mirrors are usually used at a 45° angle of incidence in randomly polarized light.

 
 
 
 
 
 
 
 
BENEFITS 
  • Transmit near-IR and reflect visible light
COMMON APPLICATIONS
  • Projection systems
  • Photocopiers
  • Surgical and dental lighting
  • Film and photographic apparatus
  • Illumination systems
  • Scientific instruments

Cold Mirror General Specifications

Thickness:  3.0mm ±0.5mm
Size Tolerance:  +0.0mm/-0.5mm
Min. Clear Aperture:  95% of outside dimension
Substrate Material:  Borosilicate glass
Flatness:  5–10 waves per 25mm
Parallelism:  3 arc minutes or better
Surface Quality:  80/50 per MIL-O-13830
Humidity and Abrasion:  Per MIL-C-675A
Max. Operating Temperature:  +200°C
Mechanical: Unmounted  

     

PART NO.
DESCRIPTION
1 - 5 pcs.
6 - 10 pcs.
> 10 pcs.
Stock Status
Buy
Available Items
645FK84-25
Cold Mirror, 25mm diameter x 3mm thick
$50.00
$45.00
$40.00
In Stock
Qty To Buy:
Filter TypeCold Mirror
Transmission³85% average from 800 to 1200nm
Blocking
Size25.0 +0/-0.5mm
Thickness3.0 +0.5/-0.5 mm
Operating Temp. (°C.)+200 max.
Quantity DiscountsPrice
1 - 5 pcs.$50.00
6 - 10 pcs.$45.00
> 10 pcs.$40.00
Note: Contact us at sales@andcorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
645FK84-50
Cold Mirror, 50mm diameter x 3mm thick
$74.00
$67.00
$59.00
In Stock
Qty To Buy:
Filter TypeCold Mirror
Transmission³85% average from 800 to 1200nm
Blocking
Size50.0 +0/-0.5mm
Thickness3.0 +0.5/-0.5 mm
Operating Temp. (°C.)+200 max.
Quantity DiscountsPrice
1 - 5 pcs.$74.00
6 - 10 pcs.$67.00
> 10 pcs.$59.00
Note: Contact us at sales@andcorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days
645FK84-50S
Cold Mirror, 50mm x 50mm x 3mm thick
$86.00
$77.00
$69.00
In Stock
Qty To Buy:
Filter TypeCold Mirror
Transmission³85% average from 800 to 1200nm
Blocking
Size50.0 x 50.0+0/-0.5mm
Thickness3.0 +0.5/-0.5 mm
Operating Temp. (°C.)+200 max.
Quantity DiscountsPrice
1 - 5 pcs.$86.00
6 - 10 pcs.$77.00
> 10 pcs.$69.00
Note: Contact us at sales@andcorp.com for large quantity discounts.

Estimated Delivery: 2-3 Days