Core Technology
BlueVision provides spectroscopic imaging solutions which contain camera, optics and light source which are designed with our unique technologies and know-how.
Lens
BlueVision’s lenses are dedicatedly designed for prism spectroscopic cameras (4 sensor / 3 sensor / 2 sensor) and single sensor cameras which cover visible wavelength, NIR and SWIR.
Features
- Designed to be suitable for prism based 2, 3 or 4 sensor cameras
- Dedicatedly designed to improve the axial chromatic aberration (focal point shift for R,G,B channels) and the lateral chromatic aberration (image size difference for R,G,B channels)
- Extending the spectral response into Near Infrared and Short Wave InfraRed.
- High resolution optics design for 7µm pixel size (4K sensor)
- F2.8 maximum aperture for all models
- Applicable for 30mm length sensors
- 300mm from the front of the lens for WD (Working Distance)
- M52 mount (F mount and C mount are also available for option)
Camera
Our technology allows you to capture spectroscopic imaging of your fast moving and rolling object to the smallest detail at the same moment in the same spot, without compromising with its speed. As you can determine your desired wavelengths for creating your data, our 2, 3 or 4 sensor camera will be helpful in solving your application such as semiconductor wafer inspection, food inspection, pill inspection, sorting of recycling materials and so on.
The incident light is separated into multiple wavelengths by designing dichroic mirror and trimming filter, going through the sensor and outputting as image data. It is able to separate the light into specific wavelengths, not only in the range of visible bandwidth but also in the range of near infrared (NIR) or short wave infrared (SWIR).
Besides, we have standard video camera line such as HDTV camera, HDTV auto focus camera and high sensitivity camera for general purpose applications.
Spectroscopic Imaging
4 Sensor Prism Spectroscopic Camera
| Line Scan Camera | BVC6100、BVC6200、BVC6201 |
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By devising dichroic mirrors and trimming filters, we provide customized 4 wavelengths prism spectroscopic camera which disperse the light into 4 arbitrary wavelengths within the range of visible to SWIR.
3 Sensor Prism Spectroscopic Camera
| Line Scan Camera | BV-C5400、BVC5404、BVC5410、BVC5201、BVC5204 |
|---|---|
| Area Scan Camera | BV-C8320、BV-C8321、BVC8350 |
By devising dichroic mirrors and trimming filters, we provide customized 3 wavelengths prism spectroscopic camera which disperse the light into 3 arbitrary wavelengths within the range of visible to SWIR.
2 Sensor Prism Spectroscopic Camera
① Visible and SWIR
| Line Scan Camera | BV-C3500、BV-C3510 |
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② P Wave and S Wave
| Line Scan Camera | BV-C3300 |
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③ Any 2 Wavelengths within Visible or SWIR
| Line Scan Camera | BV-C3210、BVC3220、BVC3221 |
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Light Source
The wavelength variable light source is a new type of the light source which uses a halogen light as the main light source and illuminates the light with a selected specific wavelength. It uses LVF (Linear Variable Filter) to select the wavelength. The LVF is a filter which the relations of its mechanical position and the wavelength are linearly varied, and you can select the wavelength by the position where the light is projected. The spectroscopic imaging makes it possible to inspect foreign materials, scratches or internal conditions of various objects by measuring reactions of the light from materials, i.e. reflecting, transmitting or absorbing light at an arbitrary wavelength. BV-M1020 selects among SWIR wavelength and BV-M1021 does from NIR to SWIR. BV-M1022 selects among visible wavelength. The combination of the BV-M1020/BV-M1021/BV-M1022 and BlueVision SWIR cameras will realize efficient and effective system.
System Outline
The light from halogen lamp is collected by the condenser lens and input into the iris control. The light being controlled its volume (half value control) is projected to LVF and LVF is moved from side to side for selecting wavelength. The selected light passes through the condenser lens again, and is input into the fiber and eventually projected to the object.
System Principle
LVF employs the filter to change the wavelength linearly against the mechanical position on it and sets the required wavelength by using wideband halogen lamp to shift on the filter.
