The purpose or this study is to obtain an infrared image of the high temperature targets. We simulated that the shutter operation of the IRCCD was superior to a ND filter because of a wide dynamic range and a good stability. Practically, we had developed a 1/1527 second shutter operation of the IRCCD and had confirmed the action. Additionally, we propose a new structure of the IRCCD which achieve a faster shutter operation.
Real-time ultrasonic volume imaging by diverging sound beam in slice direction is described. This diverging beam is formed by attaching the acoustical lens to the front surface of the conventional ultrasonic probe for medical use Beam angle of 3.75MHz convex probe is about 45 degrees by using diverging lens is composed of silicone rubber and butadiene rubber. As a result of clinical evaluation, volume imaging is suitable for surface display such as water-skin interfaces. Shape and movement of fetal head, face and limbs in uterus were provided more information than two-dimentional (B-mode) images. Furthermore, the application for quasi 3D image of blood vessel by doppler signal was expected.
A new type TEM camera with high sensitivity and high resolution have been developed using avalanche-type image pickup tube. (1)Material of thin film scintillator, (2)Structure of lens system to transfer image from scintillator to pickup tube, and (3)Electon beam scanning system were discussed. As the results, it was found that (1)GSO(Gd_2SiO_5) single crystal scintilltor. (2)tandem lens system, and charge storage operation by the beam blanking scanning were useful.
An Avalanche-type X-ray Image Pickup tube with an amorphous selenium (a-Se) photoconductive layer has been investigated. A new face plate technique using a BN face plate and a thin glass plate with an electrode pin is proposed. Defects of reproduced image of the pickup tube can be reduced by the technique. Generation factor of hole-electron pairs from an X-ray photon in this pickup tube reachs up to 10^4.