Tools

Compute reflectance and transmittance of an arbitrary multilayer optical stack using the characteristic-matrix (transfer-matrix) method.

Transfer Matrix Method — R(λ), T(λ), A(λ) for multilayer stacks

Compute total-internal-reflection envelope, angular bandwidth of an in-coupling grating, and resulting field-of-view for a planar optical waveguide.

TIR envelope, grating coupling bandwidth, mono/achromatic FOV

Given a target wavelength band, find the layer thicknesses that minimise mean reflectance, drawing from the Kriya materials library.

Differential evolution optimiser over TMM forward model

Design a polarization-insensitive transmissive metalens: generate the radial phase map, suggest nanopillar pitch, and predict the focal-plane MTF.

Hyperbolic phase profile, nanopillar pitch map, focal-plane MTF

Compute the round-trip transmission gain of adding a Kriya AR coating to a LIDAR cover window at 905, 940, or 1550 nm.

Double-pass transmission gain at 905/940/1550 nm

Given a glazing build and an ATO nanoparticle loading, compute SHGC, VLT, predicted cabin temperature reduction, AC energy demand reduction, and — for BEVs — range impact.

SHGC, VLT, cabin ΔT, AC demand, BEV range impact via ATO loading

Estimate external quantum efficiency gain from adding a Kriya extraction / index-matching layer above the emissive layer.

EQE gain from index-matching extraction layer (ray-optics / CPS dipole)

Interactive Fresnel equations: reflectance and phase for s/p polarisation at a single interface, including absorbing media.

R_s, R_p, phase vs angle for real/complex interface

Brewster angle and pseudo-Brewster minimum for any interface — polarisation discrimination, complex refractive indices, critical-angle regime, AR-design context.

Brewster + pseudo-Brewster angle, polarisation discrimination, critical-angle regime

Quantify the angular colour shift ('rainbow') of a multilayer stack as seen by a human observer, using CIE colorimetry.

CIE 1976 u'v' rainbow index, ΔE₀₀ across angle set

Estimate post-cure feature accuracy for a nanoimprint lithography process with a given Kriya resin and target geometry.

Post-cure shrinkage, aspect-ratio stability, feature-width limits

Check the regulatory status of a formulation class against current PFAS restrictions worldwide, with sunset-date tracking.

Global PFAS restriction status per formulation class, sunset tracking

Compare total cost of ownership per m² coated between sputter, evaporation, wet-chemical slot-die, gravure, and Kriya R2R processes.

Cost/m² comparison: sputter vs evaporation vs wet-chemical vs R2R

2D ray trace through a planar waveguide: visualize in-coupling, TIR bounces, pupil replication, and out-coupling. See how core RI affects eye-box size in real time.

2D ray trace: in-coupler → TIR bounces → out-coupler, eye-box uniformity

Model a 3-color (R/G/B) waveguide stack with separate waveguide layers, different grating periods, and shared cladding. Compute per-channel FOV and inter-layer cross-talk.

3-channel RGB waveguide stack: per-channel FOV, cross-talk, cladding design

Monte Carlo ray trace inside an OLED or microLED stack: emit random rays from a dipole source, trace through layers with TIR and refraction, count what escapes.

Monte Carlo 2D ray trace: dipole emission, TIR, extraction efficiency vs RI

Simulate edge-lit backlight illumination: ray propagation through a light guide plate with extraction features, computing luminance uniformity across the panel.

Edge-lit light guide: ray propagation, extraction features, luminance uniformity

Design low-refractive-index coatings from first principles: hollow-sphere nanoparticle geometry (shell thickness, diameter, packing density) determines the effective RI via two-level effective medium theory.

Hollow-sphere geometry → RI via two-level Maxwell-Garnett effective medium

Convert a dry-film thickness target into wet coating consumption, kg coverage, and €/m² cost. Add roll geometry to size monthly demand and minimum order.

Coverage (m²/kg), €/m², per-roll consumption from price, dry thickness, geometry

Estimate dry-film thickness, volumetric loss, and density-increase factor from cure shrinkage of the chosen chemistry family.

Predict dry thickness, volume loss, and density rise from cure shrinkage.

Translate datasheet pot life at a reference temperature into the realistic working window at the current shop temperature using Arrhenius kinetics.

Convert datasheet pot life across temperatures with Arrhenius kinetics.

Check whether oven length, line speed, and temperature give the wet film enough dwell to dry, flagging under-cure when residence time falls below the diffusion estimate.

Compare oven dwell to a thickness-based drying-time estimate.

Predict wet film thickness from applicator settings: Mayer bar, slot-die, gravure, or spin coating.

Predict wet film thickness from Mayer, slot-die, gravure, or spin settings.

Set safe web tension for thin polymer films and aluminium foil from substrate tensile strength, cross-section, and a chosen safety factor.

Calculate safe web tension from substrate strength, geometry, and safety factor.

Find the closest five Kriya products that match a function/substrate/application/RI spec.

Match a function/substrate/application spec to the Kriya catalogue.

Configure a sample matrix (product, substrate, thickness, plate size, count) before contacting sales.

Build a Kriya sample request matrix in 30 seconds.

Build a side-by-side comparison of up to three Kriya products plus custom alternatives, exportable as Markdown.

Compare Kriya products against custom alternatives, export Markdown.

Generate a printable Technical Data Sheet preview for any Kriya product.

Generate a printable TDS preview from any Kriya product.

Model the financial case for a Kriya pilot — cumulative savings, breakeven, and 12-month ROI.

Pilot ROI: cumulative savings, breakeven, 12-month projected ROI.

Triage lamp/photoinitiator combinations against spectral overlap before formulation.

Match lamp emission peaks against photoinitiator absorption to rule out poor combinations early.

Predict suspension viscosity and flow regime from solids loading.

Krieger–Dougherty estimate of relative viscosity, absolute viscosity, and flow regime from solids loading.

Triage coating defects to ranked root causes and corrective actions.

Pick a defect, see the three most likely root causes with priors and concrete next-step actions.

Map a target 60° gloss onto an AG grade with expected haze, clarity, and DOI.

Pick AG grade by target gloss with predicted haze, clarity, and DOI.

Bracket long-term Δb* yellowing for a substrate and stabiliser strategy.

Square-root dose estimate of Δb* yellowing from substrate, UV exposure, and stabiliser package.

Flag Article 33 disclosure obligations from a coating bill of materials.

ECHA SVHC Candidate List screen for Article 33 communication.

Estimate annual VOC emissions and compare to EU IED thresholds.

Annual VOC tonnage with EU IED 2010/75/EU benchmark.

Pack slit-roll orders into the fewest master rolls.

First-Fit-Decreasing slit packing across master rolls.

Convert gross roll geometry into net shippable area.

Net-area yield with four-bucket loss attribution.

Aggregate multi-layer film metrics from a layer bill of materials.

Multi-layer film thickness, weight, transmission, mean RI.

Predict effective refractive index of composite or porous coatings using three classical mixing rules.

Composite & porous coating index from constituents and volume fraction.

Pick the optimal index-matching layer between cover glass and the display panel polariser stack.

Index-match cover glass to display panel — RI bucket → Kriya family.

Design a quarter-wave HRI/LRI dichroic stack for a chosen IR or visible cutoff.

Quarter-wave HL stack: pairs, layer thicknesses, total thickness for IR/visible cutoff.

Estimate stress-induced Δn and optical retardance in polymer films.

Stress-optic Δn and retardance for PET/TAC/PMMA/PC films.

Size louvre geometry for privacy or driver-attention filters.

Louvre height, aspect, and transmission for a target privacy angle.