ICDC (Intra-Cavity Dispersion Calculator)
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Overview:
This program calulates group velocity dispersion (GVD) in a laser cavity containing lasing medium (titanium doped sapphire crystal) and dispersion compensation optics (intra-cavity prism pair). Using this program, user is able to compensate positive dispersion in the lasing crystal by optimizing prism-pair parameters like material, separation and amount of prism-glass inserted into the beam.
Calculation of cavity angle α for astigmatism compensation:
| Crystal length (mm): | Mirror curvature (cm): |
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Notes:
i) prism insertion calculation is WRONG - stay tuned for updates;
ii) third-order dispersion calculation is absent,
iii) propagation through prisms is assumed to be at minimum deviation angle
User inputs explained:
| λ0 (μm) | Center wavelength (in microns) about which the calculation of GVD is centered |
| Δλ (μm) | Range of wavelengths for computing GVD (microns) |
| Prism type: | FQ1=UV Fused Silica; SF10=Schott SF10 glass |
| Lc (mm) | Length of laser crystal in millimeters |
| Dp (cm) | Distance between two prisms in centimeters |
| Lp (mm) | Total pathlength pulse propagates through prism material in one roundtrip (4 passes). |
This application is written in Javascript/DOM with use of Google Chart API to generate plots.
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total number of pageloads: |
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