See it fast and identify it faster with the Nicolet RaptIR+/RaptIR FTIR Microscope

In analytical labs where details matter most—when productivity is measured in microns and minutes—turn to the Thermo Scientific Nicolet RaptIR or RaptIR+ FTIR Microscope for detailed answers.


These research-grade microscopes help you rapidly locate and identify trace materials, inclusions, impurities, microparticles, and determine the distribution of materials within a sample with incredible clarity and precision. Its clean, adaptive user interface provides increased flexibility and usability for all users, from specialists to novices. The Nicolet RaptIR and RaptIR+ FTIR Microscopes provide answers quickly, regardless of industry or application.


Expanding your options, the RaptIR+ adds the versatility of user-swappable detectors offering extended-range operation or liquid-nitrogen-free operation. When adapted to interface with a Nicolet iS50 FTIR Spectrometer, the RaptIR+ enables a wide range of new analysis possibilities, including TGA-IR, GC-IR, NIR, FT-Raman, and much more. For a more cost-conscious choice, the RaptIR+ can also adapt to the Nicolet Apex FTIR Spectrometer.

Find the best Nicolet RaptIR FTIR Microscope to fit your needs with this comparison guide

  Nicolet RaptIR+ FTIR Microscope  Nicolet RaptIR FTIR Microscope 
Visible resolution 1 micron 1 micron
Infrared resolution  5 micron 5 micron
Multiple detectors  Swappable, MCT-A, MCT-B, InGaAs  Fixed, MCT-A, MCT-B 
Spectrometer option  Nicolet iS50 FTIR Spectrometer (right or left side)

Nicolet Apex FTIR Spectrometer (right side)
Nicolet iS50 FTIR Spectrometer (right side)
Objectives  4X or 40X visible, 15X or grazing angle infrared  4X or 40X visible, 15X or grazing angle infrared
Polarizers  Motorized, visible and IR  Motorized, visible and IR 


From the mosaic feature to infrared capability and a seamless user experience, the Nicolet RaptIR and RaptIR+ FTIR Microscopes are full of technological innovations that help specialists and non-specialists alike.

  • Users can find and analyze the smallest samples in as little as 90 seconds.
  •  Diffraction-limited objectives provide outstanding visual and infrared performance, generating high-quality, high-resolution spectra of sample with visual spatial resolution of 1 micron and infrared spatial resolution of 5 microns.
  •  A multi-position automated nosepiece, autofocus, auto-illumination, and full-view computer-controlled aperture combine to deliver an easy-to-use, efficient and comfortable user experience.
  • Reflectance, transmission, and ATR sampling modes with automated exchange provide versatility, while a built-in ATR pressure sensor automatically indicates when there is ATR contact.
  •  An open-access, heavy-duty stage accommodates samples up to 40 millimeters thick and 5 kilograms in weight.
  •  Mapping at a rate of up to 10 spectra/second provides results quickly.
  •  The Nicolet RaptIR+ adds even more exciting features, including detector choices and configurations permitting the maximum use-ability of an attached spectrometer.

FTIR spectrometer combined with FTIR microscope

The Nicolet RaptIR and RaptIR+ FTIR Microscopes are always coupled to a Thermo Scientific Nicolet FTIR Spectrometer. Using it with the Thermo Scientific Nicolet iS50 FTIR Spectrometer provides a broader array of capabilities—including FT-Raman, TGA-IR, NIR, far-infrared, and diamond ATR—for addressing complex analytical challenges. This combination will help you find answers more quickly, whether you are studying powders, liquids, gases, or micron-sized particulates.

FTIR microscope capabilities

The Nicolet RaptIR+/RaptIR FTIR Microscope automatically ensures you can use it anywhere, anytime.

Load samples up to 40 millimeters thick and 5 kilograms in mass with the open access and heavy-duty stage.

The high-resolution camera and eyepieces display clear images, and the adaptive UI and comfortable joystick provide a nearly effortless user experience.

The 4x and 15x objectives enable you to get a clear view of your entire sample and focus in on the smallest detail.

Cover a large area faster than ever with the microscope's infrared capability and examine your sample with up to 10 spectra per second at a resolution greater than 5 microns.

Paradigm Software 64-bit operating system and UI simplify your entire analytical process.

The microscope facilitates the transmission of data into a wide variety of formal and fully customizable formats to send to your stakeholders.

The versatility of the RaptIR+/RaptIR allows you to analyze across a wide range of applications:

  • Basic analysis—Work to identify contamination in production materials to find the origin of embedded particles
  • Pharmaceuticals—Collect high-quality IR data over an entire tablet to validate distribution/layering of a time-release dosage
  • Environment—Examine a dense microplastic sample with a wide field of view, then target a specific particle with automated visible and IR features
  • Art restoration—Validate the source of materials in a painting or ancient text to gain insights into provenance and plan preservation activities
  • Forensics—Work to identify paints, inks, dyes, biomaterials in cloth, fibers, or paper to provide evidence of fraud, examine suspected documents, or link trace evidence from various sources

OMNIC Paradigm Software

Thermo Scientific OMNIC Paradigm Software allows you to swiftly navigate and analyze complex samples. It employs a database format for collecting data, utilizes the full power of the Windows OS, and collects impressively large maps to enable you to collect multiple regions of interest.


The innovative hardware features of the Nicolet RaptIR+/RaptIR FTIR Microscope are complemented by the advantages of the OMNIC Paradigm Desktop Software. It provides users with clear guidance on how to extract information needed from the target. The software boasts a clean, adaptive user interface (UI), database security, floating tool bar, 64-bit system, and easily generated workflows to automate data collection and analysis sequences.

See samples with stunning clarity

10-micron beads embedded in an epoxy

Fibers finely resolved and analyzed

Incredible detail of ink on a plastic surface

Advantages in pharmaceutical analysis

Examine entire tablets

Gain insight about API distribution

Performance in analytical labs

Colors of complex images

Forensic sample details - auto part contamination

Forensic sample details - paint chip analysis

Microplastics analytical capabilities

Analyze the environmental impact of microplastics


The software’s clean, adaptive user interface allows specialists and novice users alike to obtain the data they’re looking for. Workflow automation, combined with the ability to select multiple regions of interest in a sample for collection in one pass, helps save time and reduce errors. Autofocus and automated illumination allow you to get to data collection quickly and easily. Fully customizable microparticles analysis workflow allows users of varying experience to click, get images, and move forward, choosing what they want to show in tailored reports.


See for yourself in these short videos how easy it is to use the Nicolet RaptIR+/RaptIR FTIR Microscope to find a sample, collect a mosaic, or collect a background and map:

Nicolet RaptIR+ and RaptIR resources