![Wavelength References Gas Flowcells](https://productimages.edmundoptics.com/21602.jpg?w=305&quality=80)
- Free Space and Fiber-Coupled Designs for UV through IR
- Stainless Steel Designs for Operation at High Temperatures and Pressures
- Designed for Easy Integration
![Wavelength References Fiber-Coupled Gas Cells](https://productimages.edmundoptics.com/21569.jpg?w=305&quality=80)
- Hydrogen Cyanide and Acetylene Gasses Available for Wavelength Coverage of 1510 to 1565nm
- FC and SC Fiber Connection Options with a Variety of Path Lengths Available
- NIST Traceable Reference Cells
![International Light Technologies Spectrometers](https://productimages.edmundoptics.com/21495.jpg?w=305&quality=80)
- Available in Three Different Wavelength Options 180 - 500nm, 180 - 850nm, or 180 - 1100nm
- Measures Amplitude, Wavelength, Spectral Irradiance, and Power
- Extensive Software Included
![Diffuse Reflectance Phantoms](https://productimages.edmundoptics.com/21383.jpg?w=305&quality=80)
- Mimic Muscle, Brain, or Adipose Tissue
- Available in 25 x 25 mm and 50 x 50 mm Sizes
- Ideal for a Range of Life Science Applications
![Optical Coherence Tomography (OCT) Phantoms](https://productimages.edmundoptics.com/21376.jpg?w=305&quality=80)
- Point Spread, Multilayer, Pyramid, and Multipurpose Phantoms Available
- Positive and Negative Target Options
- Ideal for Calibration of OCT Devices
![Compact Irradiance Calibrated Spectrometers](https://productimages.edmundoptics.com/21203.jpg?w=305&quality=80)
- Compact 32 x 32 x 21.3mm Form Factor
- Spectral Range of 450 - 850nm with <1.5% Spectral Resolution
- USB Connection for Power and GUI Control
![Optopolymer® Diffuse Reflecting Film](https://productimages.edmundoptics.com/10702.jpg?w=305&quality=80)
- Optical PTFE Material with Lambertian Reflection
- High Reflectance from 250 - 2500nm
- High UV Stability and Chemical Resistance
![Pre-Mix White Reflectance Coating](https://productimages.edmundoptics.com/2762.jpg?w=305&quality=80)
- Reflectance Value >97%
- Usable from UV Through Near-IR
- Suitable for Coating Metal and a Variety of Other Materials
![Lumedica OCT Imaging System](https://productimages.edmundoptics.com/6778.jpg?w=305&quality=80)
- Affordable Optical Coherence Tomography Imaging System
- Ideal for Biological Sample Imaging, Sample Characterization, and OCT Education
- Compact Form Factor Tabletop Device
![Broadband Fiber-Coupled Light Sources](https://productimages.edmundoptics.com/2969.jpg?w=305&quality=80)
- Designed for Use with Spectrometers
- Lamps Available for UV to NIR
- Xenon, Tungsten, or Deuterium Sources
![#56-078 - Set of 4 Reflectance Standards (99%, 75%, 50%, and 2%)](https://productimages.edmundoptics.com/8099.jpg?w=305&quality=80)
- Suitable for Spectroscopy, Colorimetry, Radiometry, and Machine Vision Applications
- Diffuse Reflectance Independent of Viewing Angle
- Durable, Stable, and Washable
- Serialized Version with NIST Traceable Calibration Certificate and Data Available
![Educational Spectroscope](https://productimages.edmundoptics.com/1508.jpg?w=305&quality=80)
- Measure Wavelengths of Various Light Sources
- Detect Elements by Flame Emmission
- Ideal for Educational Classroom Use
![General Purpose Integrating Spheres](https://productimages.edmundoptics.com/7461.jpg?w=305&quality=80)
- Ideal for Measuring Light Sources
- Can be Upgraded to Calibrate Sensors and Test Lenses
- Designed for Simple System Integration
![Laboratory Spectrometer](https://productimages.edmundoptics.com/6158.jpg?w=305&quality=80)
- Cost-Effective Performance from 380 – 750nm
- Lightweight, Compact Design
- USB Cable and Software Included
- Spectrometer Accessories Also Available
![Manual Mini-Chrom Monochromators](https://productimages.edmundoptics.com/1116.jpg?w=305&quality=80)
- 6 Choices of Wavelength Ranges
- Compact, Handheld Size
- 2 NIR Versions
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