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Differential Polarization Camera - SAMBA

Last updated 2020-03-31 10:09:57

Additionally to intensity and spectrum, polarization is a powerful light parameter that contains numerous information about the diffusion and reflection of light.

SAMBA is a polarization-difference digital camera. Compact and robust, SAMBA has all the attributes of a regular digital video camera (easy operation, point & shoot, USB3 connection) plus the polarization analysis capability. Polarization difference camera is mainly used in ACTIVE imaging configuration, where the scene is illuminated by a controlled source. Measurement with SAMBA requires a totally polarized illumination in order to take full advantage of its performances.
Coupled with a dedicated software, SAMBA allows the analysis of the scattering properties of objects. It is designed for the measurement of the gloss of textured objects with complex 3D shape and can be used as an imaging glossmeter. SAMBA delivers gloss degree images related to the human visual assessment and gloss images related to the surface quality.

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Full Stokes Polarization Camera - SALSA

Last updated 2020-03-31 10:14:40

Compact and robust, the SALSA Full Stokes polarization imaging has all the attributes of a regular digital video camera (easy operation, point & shoot, Ethernet connection) plus the polarization analysis capability.
Coupled with a dedicated software, the SALSA Full Stokes polarization imaging system allows to measure all the Stokes polarization information for each pixel of the image, in real time. Applications of SALSA range from target detection and identification to 3D reconstruction and robotic vision. SALSA can be operated in passive and active imaging.
Along with the intensity and the spectrum, the polarization of light carries abundant information. The Stokes formalism allows for complete description of any partial or total polarization state. While most of the available polarization imaging cameras perform only linear Stokes polarization imaging (only the linear polarization can be quantified), SALSA performs live measurement of the full Stokes vector for each pixel of the image at a video frame rate. Many polarization-related parameters can be visualized in real time such as the Stokes parameters (S0, S1, S2 , S3), the Degree Of Polarization (Linear or Circular), the Angle Of Polarization, the Ellipticity angle, etc. 

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The magnetization system

Last updated 2020-04-21 07:11:38

In the magnetizing process, a non-magnetic material (e.g. iron) becomes magnetic. The magnetization is effected by a parallel alignment of the elementary magnets in the material. For this purpose, the material is exposed to an external magnetic field.

More significantly in the automotive industry, there is a growing demand in respect of the requirements of permanent-magnet-activated electric motors, in ever smaller sizes, with ever stronger torques. Thus, the ferrite or rare earth stators need an increasingly higher magnetization. In order to achieve optimum magnetization for the required magnetizing coils, while simultaneously producing low noise motors, a perfect design is indispensable.

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Demagnetizer system

Last updated 2020-04-21 07:13:22

A demagnetizer reduces the residual magnetism / the remanence to a value close to zero and are therefore used in the demagnetization of machine parts of all kinds, tools, cutting plates and bulk material. For that purpose, portable or stationary systems are used, and respectively dependent on the size and number of parts to be demagnetized. Both systems function according to the same principle: They slowly reduce the interfering fields acting on an object to zero from their maximum value. Simple hand-held demagnetizers have a coil with an electrical core, which is connected to the alternating current network. The coil is slowly moved over the objects.


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Laser ultrasonics for Non-Destructive Testing

Last updated 2021-05-19 07:29:21

Laser Acoustics provides novel, laser-based acoustic sensors. The patented technology of the optical microphone enables contact-free ultrasound measurements with an unprecedented frequency bandwidth. It is designed for contact-free ultrasound material testing. This small-sized and contact-free testing setup is particularly suitable for the characterization of composite materials, weld spots and adhesive joints.

Patent-protected sensor technology platform offers substantial advantages:

1) Extreme ultrasound frequency range from 10 Hz up to 2 MHz in air, 20 MHz in liquids

2) Acoustic and ultrasound detection greater by a factor of 10 than present state-of-the art Sound detection in air and liquids

3) Qualification for ultra-high sound pressure levels (up to 190 dB SPL)

4) Since no moving inert mass is involved, the Optical Microphone has a true temporal impulse response.

5) No metallic parts and glass fiber-coupled, hence operational in high electromagnetic fields.

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Ultrasound Field Characterization

Last updated 2021-05-19 07:35:33

The small size and the linear frequency response make the Optical Microphone the perfect tool for precise measurements of time signals, frequency distributions and acoustic field maps of ultrasound emitters such as air-coupled ultrasonic piezos.

Measurements in High Electromagnetic Field
All-optical components in the sensor head as well as the optical fiber cabling are insensitive to strong electromagnetic fields. Thus, sound can be recorded in applications that are out of reach for classical microphones due to strong EM- or radioactive fields.

Ultra-high Sound Pressure Levels
The Eta100 Ultra was designed to measure extremely high sound pressure levels (up to 180dB SPL). All our microphones are immune to damage by excessive acoustic pressure levels.

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Laser Ultrasound NDT Scanner

Last updated 2021-05-19 07:43:43

Laser Ultrasound Non-Destructive Testing (NDT) Scanning System is a versatile and easy to operate turn-key solution for a wide range of non-contact NDT applications. The large scanning area allows for a variety of sample geometries and materials to be mounted and inspected. The acoustic signal is generated with XARION’s patented thermoacoustic or laser-based excitation technology. XARION’s proprietary Optical Microphone detects the acoustic signal transmitted or reflected from the sample, without the use of contact fluid.  Through-transmission as well as single-sided (pitch-catch) measurements can be performed, allowing the detection of internal defects, delamination or porosity in a contact-free manner. The compact and rugged design suits operation in R&D laboratories as well as production environments. For time-sensitive applications, XARION also offers an eight-channel microphone array system.