Active substances: Azithromycin
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In this study, a fused silica plano-convex lens with a focal length of 50 mm was equipped, and the fiber optic was located at 42 mm.
Iris and Controller An iris is used to effectively regulate the light output quantity.
The minimum and maximum apertures of the inner diameter are 1 and 25 mm, respectively, as shown in Figure 6, and the required diameter is selected by adjusting the iris through 10 increment steps of 5 mm each, from the front panel.
Figures 23 - 25 show the output characteristics. The iris is installed 80 mm from the xenon lamp and the stainless steel leaves prevent changes in the radiant light of the lamp. Filter Wheel and Controller The exit wavelengths vary based on the substance being examined.
The filter wheel seen in Figure 7 was developed in order to provide appropriate wavelengths for a given research subject. Many compounds absorb ultraviolet UV or visible Vis light. The relationship between absorbance and transmittance is illustrated in Figure 10.
If all the light is absorbed, then the percentage transmittance is zero, and the absorption is infinite. Typically, there are several dielectric stacks separated by spacer layers, and each dielectric stack is composed of a large number of alternating layers of low-index and high-index dielectric material.
These reflecting stacks are constructed from alternating layers of high and low refractive index materials, which can have a reflectance in excess of 99. The constructive interference conditions of a Fabry-Perot cavity allow light at the central wavelength, and a small band of wavelengths to either side, to be transmitted efficiently, while destructive interference prevents the light outside the pass-band from being transmitted.
However, the band of blocked wavelengths on either side of the central wavelength is small.
The fluorescence imaging system is comprised of 3 filters of 450, 530, and 633 nm.
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