Nicolaus Copernicus University in Toruń
The OCT tomograph system with a long imaging range makes it possible to obtain three-dimensional images of translucent structures, in particular biological structures. The system uses a tuned VCSEL (vertical cavity surface emitting laser) laser, emitting light in the near infrared (with a central wavelength of 1050 nm), adjusted to the so-called optical window of biological tissues. A characteristic feature of the light source is a long instantaneous path of coherence and a wide spectral band, as well as a signal acquisition system with a band of GHz. This allows to obtain a long longitudinal imaging range (even up to tens of millimeters) while maintaining high axial resolution (approx. 10 µm). The tuned laser can work in the selected tuning mode with frequencies: 10kHz, 50kHz, 100kHz or 200kHz, so you can adjust the device’s operating parameters to the needs of the imaged object. The stand will allow for both qualitative and quantitative analysis of the obtained three-dimensional data of the microstructure of the imaged object, including, for example, optical biometry of the eye (precise measurement of intraocular length) or profilometry of objects. The measuring head will be adapted both to imaging biological systems (e.g. eye) and non-biological systems (e.g. optical elements, translucent composites).
Studies of translucent samples of biological and non-biological nature using imaging with the use of OCT optical coherence tomography in the near infrared range: 1000 PLN / hour
0000-0001-7688-1826
