Light has: Intensity Color (wavelength) Polarization.

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Presentation transcript:

Light has: Intensity Color (wavelength) Polarization

E = h ν

o

The fraction of atoms in the excited state is still less than 0.02%, but that fraction has increased by 100(1.74 – 1.67)/1.67 = 4% The fraction of atoms in the ground state is still more than 99.98%, and that fraction has increased by 100x7x10-6/.9998 = 7x10-4%

Linewidth

ATR

ATR

ATR

ATR

Fourier transform IR

Fourier transform IR

Electromagnetic Radiation Polarization

Polarization Unpolarized light

Polarized light Polarization

Polarization Polarizing sun glasses reduce glare of polarized reflections from surfaces

Polarization

Polarization (b)

Polarization Mirror image of hand

Optical Isomer and Interaction with Light Polarization Optical Isomer and Interaction with Light Enatiomers rotate the plane of polarized light. Dextrorotatory- “d” isomer Complex which rotates plane of polarized light to the right. Levorotatory- “l” isomer Complex which rotates plane of polarized light to the left. Chiral molecules are optically active because effect on light

Polarization