中文:衍射极限;英文:diffraction limit 中文:阿贝衍射极限;英文:Abbe diffraction limit 中文:杨氏衍射;英文:Young’s diffraction 中文:拉曼-奈斯声光衍射;英文:Raman-Nath acousto-optic diffraction 中文:布拉格声光衍射;英文:Bragg acousto-optic diffraction ...
My Canon 450D, a 12.2mp APS-C sensor, has a diffraction limit of f/8.4. In contrast, the Canon 5D Mark II, a 21.1mp Full Frame sensor, has a diffraction limit of f/10.3. The larger sensor, despite having nearly twice as many megapixels, can go an extra stop before it encounters ...
1.Sub-diffraction limitspots in LiNbO_3 crystal ablated by femtosecond laser have been obtained.通过扫描电镜和原子力显微镜观察了烧蚀点的形貌特征,首次发现利用单束飞秒激光脉冲对LiNbO3晶体烧蚀,可以得到超衍射极限的烧蚀点,当聚焦光斑直径约为2μm、能量为170nJ的单脉冲飞秒激光作用时,烧蚀点的直径约为400nm...
So the limit formula based on pixels assigns this FX with the lower diffraction limit (computes worse). However the results show it in fact performs better. That's because of sensor size and enlargement differences, but the formula doesn't know about that. Actually, the Airy formula doesn't...
The far-field diffraction formula modified for a multiaperture mask has been proposed in the past, the analysis remains too complicated to offer some practical guidance for mask design. We study a circular mask with periodic rectangular apertures and develop an easier way to interpret it. First,...
The diffraction limit of the Hubble ST I'm trying to calculate the diffraction limit/angular resolution for the Hubble Space Telescope. I know this can be found using the formula: \theta = 1.22 \frac{\lambda}{D} Where \lambda is the wavelength of the light being observed and D is the ...
the diffraction limit – the best resolution possible and the formula on Abbe’s memorial – is defined as λ/2nsinα. Similar to the aperture of a camera lens, the numerical aperture is a parameter that defines the range of angles over which a lens can collect light from an object. The...
In addition, cooling the sample under cryogenic temperature can limit the breathing and swelling phenomena during ED data acquisition. The first example of using 3DED to obtain structural information of a flexible MOF is the 3D piezofluorochromic PCN-128 [78]. PCN-128 is constructed of H4ETTC...
It can be achieved with oil-immersion objective with maximum value of around 1.5, so y0m0/2,this is the limit of traditional optical microscope. Another way to improve the resolution is to choose shorter wavelength light,Microscope effective magnification, 38、Microscope N.A. = 1.5, wavelength ...
The authors report that with such a portable XRF device, the detection limit was about 8.4 ppm with 2 mm soft tissue thickness. Also, the entrance skin dose delivered to the human subject was about 13 mSv and the total body effective dose was about 1.5 μSv and that should pose minimal ...