Searched for: +
(1 - 8 of 8)
document
Postma, Thies (author)
This study presents a novel approach for evaluating the effects of dynamic disturbances on optical performance using sensitivity analysis. The computation of optical performance for perturbed optical systems is too costly with state-of-the-art analysis software when applied in the use case for the optimization of the optomechanical interface,...
master thesis 2024
document
Heezen, Emile (author)
Laser satellite communication offers new opportunities in global data transfer, and can provide crucial infrastructure to facilitate the ever-growing demand. Creating an optical link of 10.000 km in length requires a telescope with extreme thermal stability, in an environment where thermal loading is periodical as a result of the satellite’s...
master thesis 2022
document
Garde, Aditya (author)
There is an ever-increasing demand for high data transfer rates. Laser satellite communication is a promising technology which offers high data rates and more secure links than the mature radio frequency (RF) communication. To make a laser communication terminal market viable it must be low size, weight and power (SWaP). The telescope drives the...
master thesis 2022
document
LI, Jiajin (author)
Scanning mirror is a widely used device in many optical systems to position reflected beam. Existing products include galvanometer and resonant scanner. They are intended for accurate positioning at low frequency range and fast scanning at the specified high frequency respectively. However, when a wide frequency range is involved, they might not...
master thesis 2020
document
Wankhade, Aditya (author)
Fiber Bragg Gratings and its application in various fields is an active area of research. Its high sensitivity, low cost and maintenance is gaining high attention in the various upcoming fields. As the Fiber Bragg Gratings can be used in various capacities, its operation as sensor is explored in this research. The primary aim of this research is...
master thesis 2020
document
van den Boogaart, Suzanne (author)
There is an increasingly demand for higher performing e-beam lithography machines. An important user requirement is the beam stability, this is dened for the short and long term. This thesis focuses on improving the beam stability with the use of a new metrology design. The e-beam machine has the potential to real-time correct for all correctly...
master thesis 2020
document
Smolders, Arnold (author)
Global internet traffic is subject to exponential growth. Free Space Optical communication can accommodate for this increase. Current communication systems prove to be capable of transferring Terabits/s of data per link to and from a satellite. This is done by coupling the laser beam into a fiber, which is connected to a computer capable of...
master thesis 2019
document
Rozene Vallespín, Alejandro (author)
The resolution of ground-based telescopes is limited by the blurring caused by Earth’s turbulent atmosphere. Adaptive Optics (AO) is a technique used to correct atmospheric distortions, restoring images to diffraction-limited resolution. The main element of an AO system is the Deformable Mirror (DM), which compensates the distortions of the...
master thesis 2018
Searched for: +
(1 - 8 of 8)