SpectroForge

A desktop application for designing, simulating, and analysing multi-slit imaging spectrographs.

Get Started View on GitHub

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What SpectroForge does

SpectroForge combines a paraxial ray-trace calculator, called PrISM (Prescription-driven Instrument & Spectrograph Model), with an interactive UI. Given a grating, collimator, and focusing lens, it computes where every diffraction order from every slit lands on the detector — in real time as you adjust parameters.

Capability	Description
Layout view	Interactive 2-D spectral layout, with optional image overlay
Mosaic map	All slit × order combinations at a glance
Straighten	Correct curved spectral lines from a real image
3-D layout	WebGL mechanical preview of the full optical train
TOML config	Save and load complete instrument definitions
PDF / SVG export	Publication-ready figures / dimensional drawings

Documentation structure

• Getting Started — install and launch
• User Interface — views, panels, controls
  • Layout View
  • Mosaic Map
  • Straighten
  • 3-D Layout
• Configuration — instrument parameters
  • Conventions
  • Instrument & Grating
  • Slits & Windows
  • Spectral Features
  • Input Spectra
  • Image Overlay
• Exporting
• Keyboard Shortcuts