- Power handling: up to 500mW (CW)
- High power density: 100W/cm²
- Compatibility: OPM150 direct connection
Artifex Engineering manufactures high quality polymer integrating spheres for laser and LED applications.
Our polymer integrating spheres are machined from solid material – not coated. These robust devices are perfect for measuring laser power in the visible to NIR.
These spheres are compatible with our OPM150 series of power meters. Just plug it in to your USB port and start measuring!
General information about our Polymer P20 integrating spheres can be found in the following table.
| wdt_ID | wdt_created_by | wdt_created_at | wdt_last_edited_by | wdt_last_edited_at | Description | Inner diameter | Housing diameter | Housing length | Material | Entry Port |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | benjamin | 21/04/2026 01:28 PM | benjamin | 21/04/2026 01:28 PM | Integrating sphere, 20mm Polymer | 20mm | 50mm | 34mm | Polymer | Ø7mm |
Our range of photodiode materials allow measurements from 250nm up to 2500nm. You will find the versions in the table below.
| wdt_ID | wdt_created_by | wdt_created_at | wdt_last_edited_by | wdt_last_edited_at | Description | Order code | Detector ports | Wavelength Range | Power Range |
|---|---|---|---|---|---|---|---|---|---|
| 1 | benjamin | 28/04/2026 10:11 AM | benjamin | 28/04/2026 10:11 AM | Integrating sphere, 20mm Polymer, UVS | 20.220.00021 | 1x photodiode (UV-Si); 1x SMA fibre connector | 250-1000nm | 1µW – 500mW at 950nm |
| 2 | benjamin | 28/04/2026 10:11 AM | benjamin | 28/04/2026 10:11 AM | Integrating sphere, 20mm Polymer, G | 20.220.00022 | 1x photodiode (Ge); 1x SMA fibre connector | 800-1550nm | 5µW – 500mW at 1550nm |
| 3 | benjamin | 28/04/2026 10:11 AM | benjamin | 28/04/2026 10:11 AM | Integrating sphere, 20mm Polymer, VIGA | 20.220.00023 | 1x photodiode (VIS-InGaAs); 1x SMA fibre connector | 400-1600nm | 500nW – 500mW at 600nm |
| 4 | benjamin | 28/04/2026 10:11 AM | benjamin | 28/04/2026 10:11 AM | Integrating sphere, 20mm Polymer, x2.0-InGaAs | 20.220.00051 | 1x photodiode (InGaAs, IR enhanced); 1x SMA fibre connector | 800-2000nm | 500nW – 500mW at 1550nm |
| 5 | benjamin | 28/04/2026 10:11 AM | benjamin | 28/04/2026 10:11 AM | Integrating sphere, 20mm Polymer, x2.2-InGaAs | 20.220.00052 | 1x photodiode (InGaAs, IR enhanced); 1x SMA fibre connector | 1000-2200nm | 1µW – 400mW at 1550nm |
| 6 | benjamin | 28/04/2026 10:11 AM | benjamin | 28/04/2026 10:11 AM | Integrating sphere, 20mm Polymer, x2.5-InGaAs | 20.220.00073 | 1x photodiode (InGaAs, IR enhanced); 1x SMA fibre connector | 1300-2490nm | 1µW – 400mW at 1550nm |
| wdt_ID | wdt_created_by | wdt_created_at | wdt_last_edited_by | wdt_last_edited_at | Photo | Name | Description | Connector | Compatibility | Link |
|---|---|---|---|---|---|---|---|---|---|---|
| 5 | benjamin | 08/06/2026 01:08 PM | benjamin | 02/07/2026 04:29 PM |  |
FC-Adapter for P10 and P20 Integrating Spheres | FC fibre adapter to allow fibre input to integrating spheres. This adapter uses our proprietary design to eliminate back reflections into the detector which would otherwise result in miscalibration of the detector. The external thread is compatible with the P10 and P20 integrating spheres. The adapter may be fitted by hand, or more conveniently by using the adapter mounting tool (order code 20.430.00018). |
FC | • P20 | Buy |
| 6 | benjamin | 08/06/2026 01:21 PM | benjamin | 02/07/2026 04:29 PM |  |
SMA-Adapter for P10 and P20 Integrating Spheres | FC fibre adapter to allow fibre input to integrating spheres. This adapter uses our proprietary design to eliminate back reflections into the detector which would otherwise result in miscalibration of the detector. It screws into the front end of our OPM150 free beam heads and P10 and P20 series of integrating spheres. It may also be fitted into any of our OPM150 filter mounts. Once fitted, the user may measure the output of an optical fibre by connecting the fibre to the adapter receptacle. The adapter may be fitted by hand, or more conveniently by using the adapter mounting tool (order code 20.430.00018). It screws into the front end of our OPM150 free beam heads and P10 and P20 series of integrating spheres. It may also be fitted into any of our OPM150 filter mounts. Once fitted, the user may measure the output of an optical fibre by connecting the fibre to the adapter receptacle. |
SMA | • P20 | Buy |
General Operation
What is an integrating sphere used for?
An integrating sphere measures total optical power independent of beam shape or direction, making it ideal for LEDs, laser diodes, and fiber outputs.
Why use an integrating sphere instead of a standard photodiode?
A photodiode measures only incident light at its surface, while an integrating sphere collects light from all directions, providing accurate total power measurement.
What coatings are used inside the gold integrating spheres?
Gold coatings are highly reflective diffuse materials optimized for the infrared.
What sizes of integrating spheres are available?
Integrating spheres are available in many diameters depending on application and power level. These sizes include 20mm, 25mm, 50mm, 65mm, 100mm 115mm, and 200mm diameter.
Can high-power lasers damage the sphere?
The maximum optical power depends on the size of the sphere and detector used. Limits for your configuration will be outlined in the documentation provided.
Could a part be provided for your integrating spheres to limit input apertures for varying sizes?
We can provide customised solutions to fit your requirements.
Do you offer recalibrations for your Integrating Spheres?
Yes, we do. Periodic calibration is recommended to maintain measurement accuracy.
Can you measure larger ranges than what is listed in your brochure?
Multiple photodetectors can be connected to the sphere at the same time allowing for great flexibility in what each sphere can measure.
Setup
How do I align a beam into an integrating sphere?
Alignment is generally not critical since the sphere diffuses incoming light.
Can integrating spheres measure LEDs?
They are widely used for LED power and luminous flux measurements.
Can multiple ports be used simultaneously?
Integrating spheres often have multiple ports for detectors, sources, and monitoring equipment.
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Do you need further information? Find useful links here!
Artifex Software Development Kit
The SDK is a fixed, free component when purchasing a device.
It comes with the source code of the application program (in VB.net) and a LabView VI with the basic functions of the instrument. A description of the communication with the devices and a list of the commands used is also included.
