Inspired by the Advancement of Opto-electronic Technology for the Benefit of Mankind

 

 

NARROW-BAND HOLOGRAPHIC NOTCH FILTERS

"Your holographic notch filters are excellent! We put them into our Raman system and now have a huge improvement in the cutoff edge for the Raman shift. We will recommend your filters to all of our colleagues."
-Purdue University

Notch filters are intended for suppression of powerful laser beams in research experiments such as Raman Laser Spectroscopy and other applications. They can also be used for eye protection and prevention of other damage caused by laser radiation.

We use a proprietary di-chromated gelatin process that ensures greater suppression, better edgewidths and longer environmental stability. We also guarantee a standard angle of incidence tolerance of less than 1 degree, unlike other suppliers. Custom designs are always welcome, from different design wavelengths to odd angles of incidence. See our pricing below for the best value in the industry.

Current Inventory (updated weekly):

Unless otherwise noted, all diameters are 25 mm.
Narrow Band Filter:
NBF-633.0-25
NBF-975.0-25 - 3 pcs.

Notch Filter Upgrades:
NFU-441.6-25
NFU-488.0-25
NFU-514.5-25
NFU-532.0-25
NFU-633.0-25
NFU-785.0-25
NFU-1064.0-25

Ultra Notch Filter:
UNF-514.5-25
UNF-633.0-25
UNF-785.0-25

Ultra Notch Upgrade:
UNUF-633.0-25
UNUF-785.0-25

The name of parameter

Narrow-band filter

Notch Filter

 

Notch Filter Upgrade

Ultra Notch

Ultra Notch Upgrade
Coefficient

of suppression of laser radiation

> 10 4

> 10 4

> 10 6

> 10 4

> 10 6
Spectral Bandwidth of a notch:

in wavenumbers between 50% transmission points (cm –1)

Bandwidth between 50% transmission points for 514 filter (nm)

 

< 700

< 20

 

< 500

< 13

 

< 500

< 13

 

< 350

< 10

 

< 350

< 10
Spectral Edgewidth in

wavenumbers between O.D. 0.3 and O.D. 4.0 (cm –1)

< 300

< 250

< 250

< 120

< 120
Transmission outside the notch from

460nm to 1500nm (%)

> 70

> 80

> 80

> 85

> 85
Working wavelength range (nm)

400-1200

400-1200

450-1200

450-1200

450-1200
Standard wavelengths (nm)

441.6, 488, 514.5, 532, 633, 690 785, 1064

441.6, 488, 514.5, 532, 633,690 785, 1064

441.6, 488, 514.5, 532, 633, 690 785, 1064

441.6, 488, 514.5, 532, 633, 690 785, 1064

441.6, 488, 514.5, 532, 633,690 785, 1064
Laser damage threshold (W/cm 2)

> 10

> 10

> 10

> 10

> 10
Maximum size (mm)

Æ 70

Æ 60

Æ 30

Æ 30

Æ 30
Price, Æ 25 mm or less, qty=1

$575.00

$750.00

$875.00

$1150.00

$1350.00

   NOTES:

1. Custom wavelengths, coatings and operating angles available upon request.

2. Substrate material: Fused Silica Minimum thickness ~ 2 mm.

3. For diameters > Ø 25 mm price increases proportionally to the diameter increase.

4. Custom wavelengths within the working spectral range, add 30% to pricing.

 

155 Wyoming Blvd., NE
Albuquerque, NM 87123
Tel: 505-294-5654
Fax: 505-294-1257
info@mkphotonics.com