Optical constants
Refractive index of DURAN® (SCHOTT)
DURAN®: n,k 0.5876–0.5876 µm
- Data
- tabulated n + tabulated k
- Range
- 0.5876–0.5876 µm
- Points
- 1
- Licence
- CC0-1.0
Plot
Click the plot to set the calculator wavelength.
At one wavelength
- Refractive index n
- 1.473
- Extinction coefficient k
- 1.61520e-07
- Permittivity ε1
- 2.16973
- Permittivity ε2
- 4.75838e-07
- Absorption coefficient α
- 0.0345425 cm⁻¹
- Penetration depth δ = λ/(2πk)
- 5.78996e+08 nm
- Abbe number Vd
- —
- Chromatic dispersion dn/dλ
- — µm⁻¹
- Group index ng
- —
- Group velocity dispersion
- — fs²/mm
- Dispersion parameter D
- — ps/(nm·km)
- Photon energy
- 2.11001 eV
ε = (n + ik)², α = 4πk/λ, ng = n − λ dn/dλ, GVD = λ³/(2πc²) d²n/dλ², D = −(λ/c) d²n/dλ². Group-velocity dispersion is given for formula data only.
Use it in Lightsmith
Load this data in Python, simulate in one more line
pip install lightsmith
import lightsmith as ls
# DURAN® (SCHOTT): DURAN®
schott_duran = ls.fetch_refractiveindex("specs", "SCHOTT-misc", "DURAN", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(schott_duran.range_nm) # (587.6, 587.6) nm
eps = schott_duran.eps([588]) # complex permittivityDownloads the original record once (pinned to the imported snapshot) and caches it.
import json, urllib.request
import lightsmith as ls
url = "https://materials.lightsmith.dev/v1/datasets/ds_0ebe6c207271/lightsmith"
schott_duran = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(schott_duran.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (schott-duran/schott).
# ... load schott_duran as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=schott_duran)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=588, stop_nm=587, num=81),
)
res = ls.solve(sim) # exact Mie for a sphere
print(res.q_ext) # extinction efficiency at each wavelengthSame spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).
Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.
Comments and conditions
Properties
- nd
- 1.527
- Vd
- 58.6
- density
- value: 2230
- youngs modulus
- value: 63e9
- poissons ratio
- value: 0.20
- thermal expansion
- value: 3.3e-06, temperature range: 293 573
- thermal conductivity
- value: 1.2, temperature: 363
- transformation temperature
- value: 798
- resistance
- acid: 1; alkali: 2; hydrolytic: 1
References
Cite
DURAN® Brochure, July 2022 (obtained from http://www.schott.com. Transmission data extracted from a figure and converted to k values by Dr. Daniel Rüdisser, HTflux Engineering GmbH, Graz, Austria); Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)
Data
Computed on 1 wavelengths, the same grid as the API and the library| λ (µm) | n | k |
|---|---|---|
| 0.5876 | 1.473 | 1.615200e-07 |
Optical transmission calculator
Free-standing sample in vacuum, normal incidence- Transmittance T
- —
- Reflectance R
- —
Fresnel reflection calculator
- Rp
- —
- Rs
- —
- R = (Rp+Rs)/2
- —
- Phase φp
- —
- Phase φs
- —
- Brewster angle θB
- —
- Critical angle θC
- —
SCHOTT Duran Lab Glass (Tubed). DURAN® glass is very similar to BOROFLOAT® 33. Dispersion data for BOROFLOAT 33 can be used to approximate the refractive index of DURAN.