Calculators for optical material properties and surface interactions.
27 calculators
Acousto-optic Bragg cell design: Bragg and deflection angles, scan range, Klein–Cook Q, first-order diffraction efficiency from the figure of merit M₂ and acoustic power, access time and resolvable spots, for TeO₂, LiNbO₃, PbMoO₄ and fused silica.
Ordinary and extraordinary indices nₒ, nₑ and birefringence Δn = nₑ − nₒ versus wavelength for nine uniaxial crystals (quartz, calcite, MgF₂, sapphire, YVO₄, LiNbO₃, rutile, BBO, KDP) from published Sellmeier fits, with plate retardance.
Brillouin scattering: frequency shift ν_B = 2nv_A/λ, Stokes wavelength, acoustic wavelength, phonon lifetime and peak gain g_B = 2πn⁷p₁₂²/(cλ²ρv_AΔν_B), for fused silica, As₂Se₃, As₂S₃, diamond or your own medium.
Uniaxial crystal data for calcite, crystal quartz and sapphire: nₒ, nₑ and Δn at any wavelength from published Sellmeier fits, e-ray walk-off and beam displacement for a cut angle, quartz optical rotation, and thermal and mechanical properties.
Stokes shift, quantum defect and absorption of colour centres (NV⁻ in diamond, F₂ and F₂⁺ in LiF) from their absorption and emission band maxima, cross-section and density.
Refractive index of diamond from 226 nm to 20 µm (Peter's Sellmeier formula, Palik's infrared values), Fresnel-limited window transmission, transmission bands, and thermal and mechanical properties.
Pockels-effect half-wave voltage of longitudinal KDP, KD*P and ADP cells and transverse LiNbO₃, LiTaO₃, KTP, BaTiO₃ and BSO modulators: retardation and single-polarization phase, V_π·L, the index change −½n³rE and the crossed-polarizer transmission, with BSO's optical activity.
Faraday rotation θ = VBL in TGG, TSAG, CeF₃ and fused silica, with the Verdet constant's dispersion from published fits, the field or length for a 45° isolator rotator, and YIG's saturated rotation at 1550 nm.
Specific heat c_p(T) of Si, Ge, GaAs, CaF₂, LiF, MgO, sapphire and diamond from the Debye model scaled to the measured room-temperature value, volumetric heat capacity, and the heat to warm a part from T₁ to T₂.
Compare IR materials (Ge, Si, ZnSe, ZnS, fluorides, alkali halides, KRS-5, As₂S₃, AMTIR-1 and ZBLAN glass): refractive index at any wavelength and temperature, Fresnel-limited transmission, transmission band, dn/dT, thermal conductivity and hardness.
Scale an optic's rated pulsed laser damage threshold (LIDT) to your pulse duration with the √τ law and compare it with the 2E/(πw²) peak fluence of your Gaussian beam: margin and energy at threshold.
Refractive index, group index, GVD β₂ and dispersion D from published Sellmeier formulas for crystals, fused silica, IR glasses and SCHOTT glasses, with their coefficients and an n(λ) comparison.
Second-harmonic generation of 1064 nm in BBO, LBO, KTP, BiBO, bulk MgO:LiNbO₃ and PPLN: d_eff of each phase-matched cut, and the focused-beam (Boyd–Kleinman) SH power and efficiency for a crystal length, pump power and waist.
Kerr effect n = n₀ + n₂I: index change, nonlinear phase over a length, fibre nonlinear coefficient γ = 2πn₂/(λA_eff) and the self-focusing critical power, with n₂ of silica fibre, silicon, air and its gases, CS₂ and 17 crystals, glasses and water.
Interactive glass map and dispersion curves for SCHOTT optical glasses, with catalog n_d, V_d, density and dn/dT, the Abbe number of glasses and crystals, and dn/dT and Δn over temperature.
Light-induced refractive index changes via space-charge fields in electro-optic materials. Key for holographic storage, phase conjugation, and beam coupling.
Refractive index, group index and Abbe number of PMMA, polycarbonate, polystyrene, Zeonex, NOA 61 and SU-8 from published dispersion fits, with surface reflectance and the NA of a polymer core/cladding pair.
Radiation-induced attenuation of glass and fibre as a power law of dose, A₁D^f: induced loss in dB/m and dB, internal transmission, and the dose that uses up a loss budget.
Stimulated Raman gain of diamond, Ba(NO₃)₂, KGW, As₂S₃ glass and fused silica: Stokes wavelength, peak gain at your pump wavelength, Lorentzian gain line, dephasing time and single-pass gain e^(gIL).
Absorption coefficient of Er³⁺, Yb³⁺, Tm³⁺ or Ho³⁺ in silica from the cross-section and wt-ppm concentration: α in m⁻¹ and dB/m, absorption length and transmission over a path.
Bandgap energy and absorption edge vs temperature using the Varshni equation. Direct vs indirect gap materials.
Stress birefringence of optical glass: Δn = C(σ₁ − σ₂) and the retardance R = C d (σ₁ − σ₂) for fused silica and twelve Schott glasses, in nm/cm as glass catalogs quote it, with the stress that gives a half-wave retardance.
Room-temperature thermal conductivity of window materials (Crystran) and what it means for an absorbing optic: thermal resistance, face-to-face and beam centre-to-edge temperature rise, and the dn/dT thermal lens.
Length change ΔL = α·L·ΔT, strain and the change in 633 nm waves, with room-temperature expansion coefficients of optical glasses, crystals and mount metals, and silicon's α(T) integrated from 120 to 1500 K.
Two-photon absorption of semiconductors (GaAs, CdTe, ZnSe and others), silicon, fused silica, sapphire, BaF₂, BBO, LiNbO₃ and KTP: measured β scaled across the 2PA window, induced absorption βI and slab transmission 1/(1 + βI₀L).
Transmission bands of UV, visible and IR window materials (LiF, MgF₂, CaF₂, fused silica, sapphire, alkali halides, ZnSe, Si, Ge), with the refractive index and the Fresnel-limited transmission 2n/(n² + 1) at any wavelength.
X-ray refractive index n = 1 − δ − iβ of Be, diamond, Si, Ni, Cu, Mo, Pt, Au, Kapton and Si₃N₄ from 1 to 30 keV, from the Henke scattering factors: critical angle, attenuation length, μ/ρ and transmission, with absorption edges.