Bao cao UV

Radiation and Light
Electromagnetic Waves
U.Szynalski UV-VIS Basic
U.Szynalski UV-VIS Basic
Color
Wavelength and colours
U.Szynalski UV-VIS Basic
Definition of Wavelength “”
U.Szynalski UV-VIS Basic
Lambert-Beer`s Law
: Absorption coefficient
C: Concentration of the absorbing substance
l: optical path length of the cell
U.Szynalski UV-VIS Basic
Light Source
Monochromator
Sample Compartment
Detector
Amplifier
Display
Basic Construction
Spectrophotometer
Single-Beam System
U.Szynalski UV-VIS Basic
Double Beam System
U.Szynalski UV-VIS Basic
U.Szynalski UV-VIS Basic
Optical System UV mini-1240
Optical System UV-1600


U.Szynalski UV-VIS Basic
Optical System UV-2401PC
U.Szynalski UV-VIS Basic
U.Szynalski UV-VIS Basic
Optical System UV-2501PC
Pre-Monochromator
Main-Monochromator
Double Monochromator
U.Szynalski UV-VIS Basic
Littrow Czerny-Turner
Crossed Czerny-Turner Monk-Gilieson
Grating Monochromator Types
U.Szynalski UV-VIS Basic
i: incident angle : diffraction angle : wavelength
d: distance between grooves m: number of orders of diffraction (0,  1, 2...)
Diffraction Grating
U.Szynalski UV-VIS Basic
Prism Monochromator
Littrow Mount Monochromator
Sine-Bar Mechanism
U.Szynalski UV-VIS Basic
Detector

Silicon Photocell
Highest sensitivity: 400 ~ 1100 nm
used in UV-1200/-1240/-160/ -1600
U.Szynalski UV-VIS Basic
Detector
Photomultiplier
Side on type
End on type
Application: Translucent or opaque samples
used in UV-3000, MPS-2000/-2400
Used in UV-2401/-2501/-3101
U.Szynalski UV-VIS Basic
Detector
Construction of Photomultiplier
U.Szynalski UV-VIS Basic
Detector
Pbs Cell
Highest sensitivity: 1000 ~ 2850 nm
used in UV-3101 in the NIR region
U.Szynalski UV-VIS Basic
U.Szynalski UV-VIS Basic
Sensitivity Characteristics of Detector
Detector
U.Szynalski UV-VIS Basic
Light sources