Knight
Optical (UK) Ltd
FILTER
SETS FOR RAMAN SPECTROSCOPY
 Raman
Spectroscopy Filter Sets have two (2) filters making up
the set: the first filter is a 2-3nm
Narrowband Interference Laser Line Filter, confining the laser line
bandwidth. The second filter is a special Raman Longpass
Edge Filter for Stokes Shifted Photon Scatter. This Longpass
Edge Filter has an extremely steep Transmission-Rejection
design, which reaches >OD5 blocking, at that laser line
wavelength (532nm) in typically 5-7nm from the 50% cut-on
point. Its Edge Slope is ~1%, from OD0.3 to OD5!
| Angle
of incidence: |
0
degrees - Filter is designed to be angle tuned up to
10 degrees for optimum performance |
| Stock
size mm: |
12.5mm;
25.0mm; 50mm diameter |
| Other
available size mm: (Delvery within 1-2 weeks) |
12.7mm;
25.4mm; 50.8mm |
| Diameter & Aperture
(mm): |
12.5mm
(8.5mm aperture) 12.7mm (8.7mm aperture)
25.0mm (21mm
aperture) 25.4mm (21.4mm aperture)
50mm (46mm aperture)
50.8mm (46.8mm aperture) |
| Transmission: |
70-85%
@peak typical |
| Thickness
(mm): |
6.1mm
+0/-0.1mm |
| Blocking: |
Long
pass: <0.001%(OD 5) at laser wavelengthNarrow band: <0.1%(OD
3) at long pass 50% edge |
| Cut-on
tolerance (nm): |
+3/-0nm
on LP; +/- 0.5nm on CWL |
| HBW
tolerance (nm): |
+/-
0.5nm |
| Optimum
Operating Temperature: |
23°C |
| Edge
treatment: |
Mounted
in black anodized aluminum ring |
| Edge
marking format: |
{Knight
Optical Part#} - {KOLTD} - arrow in direction of light
path |
| Surface/Coating
Quality: |
80/50
Per Mil-0-13830A |
| Usable
Temperature Limits: |
-50°C
to +80°C |
| Design
type: |
Multicavity |
| Assembly: |
All
filters are scribed and hermetically sealed to ensure
maximum longterm stability |
Knight
Optical (UK) Ltd has a solution for your light-filtering
applications
Whatever your requirement, however unusual we will fulfill
them to your complete satisfaction!
Buy
now from stock...
Knight
Optical (UK) Ltd
Unit 4, Roebuck Business Park, Harrietsham ,Kent, ME17 1AB. United Kingdom
Phone: +44 (0)1622 859444
e-mail: info@knightoptical.co.uk
Knight Optical (Europe) - A Division of Knight Optical (UK) Ltd
 +44 (0) 1622 850614
Send Enquiry to Bertrand
 +44 (0) 1622 851078
Send Equiry To Marco
 +44 (0) 1622 850429
Send Enquiry to Robert
| 
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