| Title |
Resolution of the Modified Conoscopic Holography Considering Birefringence |
| DOI |
http://doi.org/10.5207/JIEIE.2021.35.7.006 |
| Keywords |
Complex hologram; Incoherent holography; Modified conoscopic holography; Optical path length; Resolution |
| Abstract |
In this paper, optical path lengths of ordinary and extraordinary rays are theoretically derived in consideration of the birefringence effect in the uniaxial crystal of modified conoscopic holography. The phase difference between the two rays was obtained using the derived optical path lengths, and the intensity of light in the horizontal axis direction of the reconstructed image was obtained using the complex hologram considering the phase difference. The intensity of light was obtained by changing the radius of the complex hologram, the angle of incidence, the size of the uniaxial crystal, and the wavelength, and based on those results, the resolution of the system was analyzed. According to Rayleigh's criterion, it was found that the lateral resolution of the reconstructed image was proportional to the size of the hologram and uniaxial crystal, and inversely proportional to the length of the wavelength. And it was analyzed that there was little change in the resolution according to the angle of incidence. Therefore, the main factors affecting the resolution in modified conoscopic holography are the radius size of the complex hologram, wavelength, and size of the uniaxial crystal. |