Absolute Specular Reflectance Attachment
With absolute specular reflectance measurement,
as shown in the figure, a reference sample is notRelative Specular Reflectance Measurement
used, the sample-free state (air) is set at 100%,
and the reflection of the sample is simply applied
to the 100% setting when measuring the sample.
This attachment measures the absolute reflectance
of the specular reflected light. It is used to measure
the absolute specular reflectance of a solid sample,
such as a mirror, when mounted on the large-sample
compartment or SolidSpec. The sample base plate
integrating sphere set must also be mounted at the
same time. Since measurement is influenced by
polarized light when the angle of incidence is
large (30°, 45°), the separate polarizer is required<
to accurately perform measurement.
- For UV-2600i/2700i/3600i Plus series and SolidSpec
- Approximate size of sample:
25 to 200 mm dia. or 20x20 to 150x150 mm, thickness up to 30 mm
| ASR Attachment Name | Angle of Incidence | Measurement Wavelength Range |
|---|---|---|
| ASR3105 | 5° | 300 to 800 nm (when MPC-2200/2600 is used) |
| 300 to 2400 nm (when MPC-3100 or SolidSpec is used) | ||
| ASR3112 | 12° | 300 to 800 nm (when MPC-2200/2600 is used) |
| 300 to 2500 nm (when MPC-3100 or SolidSpec is used) | ||
| ASR3130 | 30° | 300 to 800 nm (when MPC-2200/2600 is used) |
| 300 to 2300 nm (when MPC-3100 or SolidSpec is used) | ||
| ASR3145 | 45° | 300 to 800 nm (when MPC-2200/2600 is used) |
| 300 to 2300 nm (when MPC-3100 or SolidSpec is used) |
This set comprises a sample base plate
and integrating sphere. It is required for
mounting the absolute specular reflectance
attachment onto the UV instrument.
- For UV-2600i/2700i/3600i Plus series and SolidSpec
| Name | Applicable Instrument | Measurement Wavelength Range |
|---|---|---|
| BIS-603 | UV-3600 Plus series | 240 to 2600 nm |
| BIS-3100 | UV-2450/2550/2600/2700 | 240 to 800 nm |
| UV-3600 | 240 to 2600 nm | |
| BIS-3700 | SolidSpec-3700 | 240 to 2600 nm |
| BIS-3700DUV | SolidSpec-3700DUV | 175 to 2600 nm |
This attachment is used to obtain accurate
reflectance measurements at high angles
of incidence without the instrument being
influenced by polarized light. The polarizer
adapter set is required for the polarizer type I, II, III.
- For UV-2600i/2700i/3600i Plus series and SolidSpec
*) This polarizer is used in the multi-purpose large-sample compartment and absolute reflectance specular attachment.
| Name | Effective Diameter | Operable Wavelength Range |
|---|---|---|
| Large Polarizer Set | 20 mm | 250 to 2300 nm |
| Polarizer Type I | 18 mm | 400 to 800 nm |
| Polarizer Type II | 17 mm | 260 to 700 nm |
| Polarizer Type III | 10 mm | 260 to 2300 nm |
This page may contain references to products that are not available in your country.
Please contact us to check the availability of these products in your country.