Anisotropy Decay Behavior Calculator

✖Parallel Transient is the time taken for parallel polarization for between the pump and probe lasers.ⓘ Parallel Transient [I_∥]			+10% -10%
✖Perpendicular Transient is the time taken for perpendicular polarization between the pump and probe lasers.ⓘ Perpendicular Transient [I_⊥]			+10% -10%

✖Anisotropy Decay is where decay of the resulting emission is evaluated, by observing the fluorescence decay at polarizations parallel and perpendicular to the excitation.ⓘ Anisotropy Decay Behavior [R]

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Formula

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Anisotropy Decay Behavior

Formula

`"R" = ("I"_{"∥"}-"I"_{"⊥"})/("I"_{"∥"}+(2*"I"_{"⊥"}))`

Example

`"0.076923"=("50fs"-"40fs")/("50fs"+(2*"40fs"))`

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Anisotropy Decay Behavior Solution

STEP 0: Pre-Calculation Summary

Formula Used

Anisotropy Decay = (Parallel Transient-Perpendicular Transient)/(Parallel Transient+(2*Perpendicular Transient))
R = (I_∥-I_⊥)/(I_∥+(2*I_⊥))
This formula uses 3 Variables

Variables Used

Anisotropy Decay - Anisotropy Decay is where decay of the resulting emission is evaluated, by observing the fluorescence decay at polarizations parallel and perpendicular to the excitation.
Parallel Transient - (Measured in Femtosecond) - Parallel Transient is the time taken for parallel polarization for between the pump and probe lasers.
Perpendicular Transient - (Measured in Femtosecond) - Perpendicular Transient is the time taken for perpendicular polarization between the pump and probe lasers.

STEP 1: Convert Input(s) to Base Unit

Parallel Transient: 50 Femtosecond --> 50 Femtosecond No Conversion Required
Perpendicular Transient: 40 Femtosecond --> 40 Femtosecond No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

R = (I_∥-I_⊥)/(I_∥+(2*I_⊥)) --> (50-40)/(50+(2*40))

Evaluating ... ...

R = 0.0769230769230769

STEP 3: Convert Result to Output's Unit

0.0769230769230769 --> No Conversion Required

FINAL ANSWER

0.0769230769230769 ≈ 0.076923 <-- Anisotropy Decay

(Calculation completed in 00.004 seconds)

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Created by Sangita Kalita

National Institute of Technology, Manipur (NIT Manipur), Imphal, Manipur

Sangita Kalita has created this Calculator and 50+ more calculators!

Verified by Soupayan banerjee

National University of Judicial Science (NUJS), Kolkata

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< 20 Femtochemistry Calculators

Observed Lifetime Given Quenching Time

Go Observed Lifetime = ((Self Quenching Time*Quenching Time)+(Radiative Lifetime*Quenching Time)+(Self Quenching Time*Radiative Lifetime))/(Radiative Lifetime*Self Quenching Time*Quenching Time)

Observed Lifetime Given Reduced Mass

Go Observed Lifetime = sqrt((Reduced Mass of Fragments*[BoltZ]*Temperature for Quenching)/(8*pi))/(Pressure for Quenching*Cross Section Area for Quenching)

Field Strength for Barrier Suppression Ionization

Go Field Strength for Barrier Suppression Ionization = (([Permitivity-vacuum]^2)*([hP]^2)*(Ionization Potential Barrier Suppression^2))/(([Charge-e]^3)*[Mass-e]*[Bohr-r]*Final Charge)

Spectral Chirp

Go Spectral Chirp = (4*Temporal Chirp*(Pulse Duration^4))/((16*(ln(2)^2))+((Temporal Chirp^2)*(Pulse Duration^4)))

Mean Free Tunneling Time for Electron

Go Mean Free Tunneling Time = (sqrt(Ionization Potential Barrier Suppression/(2*[Mass-e])))/Field Strength for Barrier Suppression Ionization

Velocity for Delayed Coherence in Photodissociation

Go Velocity for Delayed Coherence = sqrt((2*(Binding Potential-Potential Energy of Repulsing Term))/Reduced Mass for Delayed Coherence)

Potential for Exponential Repulsion

Go Potential For Exponential Repulsion = Energy FTS*(sech((Speed FTS*Time FTS)/(2*Length Scale FTS)))^2

Bond Breakage Time

Go Bond Breakage Time = (Length Scale FTS/Speed FTS)*ln((4*Energy FTS)/Bond Breakage Time Pulse Width)

Analysis of Anisotropy

Go Analysis of Anisotropy = ((cos(Angle Between Transition Dipole Moments)^2)+3)/(10*cos(Angle Between Transition Dipole Moments))

Anisotropy Decay Behavior

Go Anisotropy Decay = (Parallel Transient-Perpendicular Transient)/(Parallel Transient+(2*Perpendicular Transient))

Relationship between Pulse Intensity and Electric Field Strength

Go Electric Field Strength for Ultrafast Radiation = sqrt((2*Intensity of Laser)/([Permitivity-vacuum]*[c]))

Gaussian-Like Pulse

Go Gaussian Like Pulse = sin((pi*Time FTS)/(2*Half Width of Pulse))^2

Mean Electron Velocity

Go Mean Electron Velocity = sqrt((2*Ionization Potential Barrier Suppression)/[Mass-e])

Pump Pulse Difference

Go Pump Pulse Difference = (3*(pi^2)*Dipole Dipole Interaction for Exciton)/((Exciton Delocalization Length+1)^2)

Classical Analysis of Fluorescence Anisotropy

Go Classical Analysis of Fluorescence Anisotropy = (3*(cos(Angle Between Transition Dipole Moments)^2)-1)/5

Transit Time from Center of Sphere

Go Transit Time = (Radius of Sphere for Transit^2)/((pi^2)*Diffusion Coefficient for Transit)

Carrier Wavelength

Go Carrier Wavelength = (2*pi*[c])/Carrier Light Frequency

Recoil Energy for Bond Breaking

Go Energy FTS = (1/2)*Reduced Mass of Fragments*(Speed FTS^2)

Frequency Modulation

Go Frequency Modulation = (1/2)*Temporal Chirp*(Time FTS^2)

Mean Free Tunneling Time Given Velocity

Go Mean Free Tunneling Time = 1/Mean Electron Velocity

Anisotropy Decay Behavior Formula

Anisotropy Decay = (Parallel Transient-Perpendicular Transient)/(Parallel Transient+(2*Perpendicular Transient))
R = (I_∥-I_⊥)/(I_∥+(2*I_⊥))

What is femtochemistry?

Femtochemistry is the area of physical chemistry that studies chemical reactions on extremely short timescales (approximately 10 seconds or one femtosecond, hence the name) in order to study the very act of atoms within molecules (reactants) rearranging themselves to form new molecules (products).

How to Calculate Anisotropy Decay Behavior?

Anisotropy Decay Behavior calculator uses Anisotropy Decay = (Parallel Transient-Perpendicular Transient)/(Parallel Transient+(2*Perpendicular Transient)) to calculate the Anisotropy Decay, The Anisotropy Decay Behavior formula is defined as time-resolved anisotropy measurement where a sample is excited, by linearly polarized light, and the anisotropy (or polarization) decay of the resulting emission is evaluated, by observing the fluorescence decay at polarizations parallel and perpendicular to the excitation. Anisotropy Decay is denoted by R symbol.

How to calculate Anisotropy Decay Behavior using this online calculator? To use this online calculator for Anisotropy Decay Behavior, enter Parallel Transient (I_∥) & Perpendicular Transient (I_⊥) and hit the calculate button. Here is how the Anisotropy Decay Behavior calculation can be explained with given input values -> 0.076923 = (5E-14-4E-14)/(5E-14+(2*4E-14)).

FAQ

What is Anisotropy Decay Behavior?

The Anisotropy Decay Behavior formula is defined as time-resolved anisotropy measurement where a sample is excited, by linearly polarized light, and the anisotropy (or polarization) decay of the resulting emission is evaluated, by observing the fluorescence decay at polarizations parallel and perpendicular to the excitation and is represented as R = (I_∥-I_⊥)/(I_∥+(2*I_⊥)) or Anisotropy Decay = (Parallel Transient-Perpendicular Transient)/(Parallel Transient+(2*Perpendicular Transient)). Parallel Transient is the time taken for parallel polarization for between the pump and probe lasers & Perpendicular Transient is the time taken for perpendicular polarization between the pump and probe lasers.

How to calculate Anisotropy Decay Behavior?

The Anisotropy Decay Behavior formula is defined as time-resolved anisotropy measurement where a sample is excited, by linearly polarized light, and the anisotropy (or polarization) decay of the resulting emission is evaluated, by observing the fluorescence decay at polarizations parallel and perpendicular to the excitation is calculated using Anisotropy Decay = (Parallel Transient-Perpendicular Transient)/(Parallel Transient+(2*Perpendicular Transient)). To calculate Anisotropy Decay Behavior, you need Parallel Transient (I_∥) & Perpendicular Transient (I_⊥). With our tool, you need to enter the respective value for Parallel Transient & Perpendicular Transient and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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