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Integrating

Sphere

 

  • An essential tool for accurate reflectance and color measurements

  • Perfect for uniform and non-uniform flat surfaces
  • Allows for diffuse and specular reflectance measurements
  • Get the best accuracy and flexibility with the new slide system

Integration sphere is an important tool for measuring the reflectance properties of solid samples. The radiation that enters the sphere and reaches the solid sample at the measurement port undergoes into multiple diffuse reflections on the highly reflective walls of the sphere leading to an homogeneous light signal that goes into the collection port.

How does it work?

The reflectance  – and, therefore, color properties of the solid sample relative to a known standard – is calculated by measuring the light reflection of both and taking their ratio.

Sarspec’s Integration Sphere is available with an active diameter of 50 mm and two 6 mm collecting lenses with SMA connectors, one at 8 degrees from normal (from the measurement port) for direct irradiation and the other at 90 degrees for collecting the diffuse reflection signal.

Why is the Integrating Sphere valuable?

The measurement port has a 10 mm diameter. These connectors couple to an external light source and detector through the SMA optical fibers. Our integrating sphere features an additional position for a third 6 mm collecting lens with a SMA connector for collecting the specular reflection signal.

The walls of our integration sphere are made of a highly reflective diffuse PTFE, which provides more than 98% reflectance over a wide wavelength range, from 250 to 2500 nm.

Do keep in mind that the precision of the integrating sphere can be significantly improved by combining it with Sarspec’s new slide system.

Enhance your Integrating Sphere with the

New Slide System for Reflectance

 

The slide system is a remarkable tool designed to provide a fast and simple way of changing between different samples without the need to touch or move the probe holder (this system is important to ensure a fixed distance between reflectance measurements). 

To increase the flexibility of the slide system, Sarspec has developed a wide range of slides supports that can also be used in connection with the slide system of our integration sphere and multi-angle probe holder.

 The slide supports available can be used for powders, fabrics, films, and solutions. Sarspec has also slide supports with built-in references (for diffuse and specular measurements) and for standard microscope slides (25 mm x 75 mm).

Technical  Data

 

Parameter
Support Material
Internal Diameter
Sample Port Diameter
Ports Connections
Reflective Material
Available Slides
Dimentions
Value
Black Anodized Aluminum
50 mm
10 mm
SMA 905
PTFE 98%
Diffuse Standard, Specular Standard, Powders, Microscope Slides, Films / Solids
60 x 60 x 55 mm / 300 g

Ordering Information

Part-number
IS
SLD-IS-SH
SLD-SF
SLD-PW
SLD-MS
SLD-DRSTD98
SLD-DRSTD50
SLD-DRSTD10
SLD-SPSTD
IS-KIT
Description
Integrating Sphere, 50 mm
Slide Reflectance Sample Holder for IS
Slide Sample Holder for Solids and Films
Slide Sample Holder for Powders
Slide Sample Holder for Microscope Slides
Slide Diffuse Reflectance Standard 98% Reflection
Slide Diffuse Reflectance Standard 50% Reflection
Slide Diffuse Reflectance Standard 10% Reflection
Slide Specular Reflectance Standard
Integrating Sphere Slide Kit. Includes: IS, SLD-IS-SH, SLD-SF, SLD-PW, SLD-MS, SLD-DRSTD98 and SLD-SPRSTD

Contact Form

Sarspec