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Optical constants of Methanol, CH₃OH (MeOH)

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Optical constants of Methanol, CH3OH (MeOH)
Wavelength: µm  (0.4~0.8)
Refractive index

Refractive index - Wikipedia

n = 1.33141

Chromatic dispersion

Dispersion (optics) - Wikipedia

dn/dλ = -0.125 µm-1

Abbe numbers

Abbe number - Wikipedia

Vd = 13.66

Ve = 13.76

Formulae    Abbe diagram

[ Figure: Refractive index of Methanol, CH3OH (MeOH) ]
Dispersion formula

Cauchy's equation - Wikipedia

$$ n =1.294611 + 12706.403\text{×}10^{-6} λ^{-2} $$

C

n = 1.294611 + 12706.403E-6*pow(x,-2)

Fortran

n = 1.294611 + 12706.403E-6*x**(-2)

Visual Basic

n = 1.294611 + 12706.403E-6*x**(-2)

Expressions for n

Conditions

25 °C

References

- Hassan El-Kashef. The necessary requirements imposed on polar dielectric laser dye solvents, Physica B: Condensed Matter 279, 295-301 (2000) doi:10.1016/S0921-4526(99)00856-X

Reflection calculator
Angle of incidence (0~90°): 
Direction: in out
Reflectance (at 0.5876 µm)

Fresnel equations - Wikipedia

RS = ... (S-polarized)
RP = ... (P-polarized)
R = ... (non-polarized, (RS+RP)/2 )

Reflection phase

ɸ = ...°
ɸS = ...°
ɸP = ...°

Brewster's angle

Brewster's angle - Wikipedia

θB = ...°

Critical angle

Total internal reflection - Wikipedia

θC = ...°

More info ( wiki )

Methanol, CH4O

Chemical formula

CH3OH or MeOH

Other names

  • Hydroxymethane
  • Methyl alcohol
  • Methyl hydrate
  • Methyl hydroxide
  • Methylic alcohol
  • Methylol
  • Wood alcohol

External links

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