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Optical Filters For Raman Applications

This analytical technique uses the light scattered from the vibrational energy modes of the sample.  Rayleigh scattering is a simple deflection of the incoming light, Raman scattering is an inelastic scattering of light.  There is an exchange of energy with the incoming photons resulting in a directional deviation of the light path. The resultant spectrograph is a ‘fingerprint’ of the substance being analyzed.  This incredibly powerful technique is used in a variety of applications from security inspection at airports to food safety.  Raman scattering is much weaker than Rayleigh scattering, and therefore requires much better filters to isolate the signal of interest – high transmission values, steep transitions and superior blocking to keep out unwanted photons.  Chroma offers three tiers of Raman filter depending on need and budget. 

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Raman

Optical Filters for Raman Spectroscopy

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  • RT Raman (6) Apply RT Raman filter
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  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET266/3x

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49953 - RT – Raman 266nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Fluorescence
  • Raman
  • Laser and laser diodes
  • Angle of Incidence - 45°

RT266rdc

Edge Steepness (cm-1): 459.65

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$600.00
This filter is also available as part of these complete filter sets
  • 49953 - RT – Raman 266nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET270lp

Edge Steepness (cm-1): 172.27

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49953 - RT – Raman 266nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET488/4x

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49951 - RT – Raman 488nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Fluorescence
  • Raman
  • Laser and laser diodes
  • Angle of Incidence - 45°

RT488rdc

Edge Steepness (cm-1): 112.34

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$600.00
This filter is also available as part of these complete filter sets
  • 49951 - RT – Raman 488nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET493lp

Edge Steepness (cm-1): 62.03

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49951 - RT – Raman 488nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET532/4x

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49952 - RT – Raman 532nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Fluorescence
  • Raman
  • Laser and laser diodes
  • Angle of Incidence - 45°

RT532rdc

Edge Steepness (cm-1): 115.75

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$600.00
This filter is also available as part of these complete filter sets
  • 49952 - RT – Raman 532nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET537lp

Edge Steepness (cm-1): 55.75

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49952 - RT – Raman 532nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET633/5x

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49954 - RT – Raman 633nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET638lp

Edge Steepness (cm-1): 56.62

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49954 - RT – Raman 633nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Fluorescence
  • Raman
  • Laser and laser diodes
  • Angle of Incidence - 45°

RT633rdc

Edge Steepness (cm-1): 126.50

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$600.00
This filter is also available as part of these complete filter sets
  • 49954 - RT – Raman 633nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET785/6x

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49950 - RT – Raman 785nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Fluorescence
  • Raman
  • Laser and laser diodes
  • Angle of Incidence - 45°

RT785rdc

Edge Steepness (cm-1): 106.53

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$600.00
This filter is also available as part of these complete filter sets
  • 49950 - RT – Raman 785nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET792lp

Edge Steepness (cm-1): 48.01

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49950 - RT – Raman 785nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET1064/7x

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49955 - RT – Raman 1064nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Fluorescence
  • Raman
  • Laser and laser diodes
  • Angle of Incidence - 45°

RT1064rdc

Edge Steepness (cm-1): 57.10

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$600.00
This filter is also available as part of these complete filter sets
  • 49955 - RT – Raman 1064nm Laser Longpass Set
  • Show:
  • Transmission
  • Optical Density
  • Overview
  • Raman
  • Laser and laser diodes

RET1072lp

Edge Steepness (cm-1): 34.06

Microscopes: Filter cube mounting options are available when adding to cart.

Listed price applies to filter sizes up to 25mm diameter or dichroics up to 26x38mm, in 1mm thickness, to fit standard microscope manufacturer filter cubes.

$550.00
This filter is also available as part of these complete filter sets
  • 49955 - RT – Raman 1064nm Laser Longpass Set
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