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Table 1.
Variables presented in Sect. 2.
Variable | Description |
---|---|
β | Factor that builds in safety margins in ϵ0. |
γ | Ratio of the pupil diameter and reference hole diameter. |
δθ | Misalignment angle of the RH polarizer. |
ϵ0 | Distance of the RH to the center of the pupil. |
λ | The wavelength of light. |
Δλ | The spectral bandwidth. |
dr | Diameter of the reference hole. |
p | The strength of the instrumental polarization. |
t | The relative polarization leakage. |
D | Diameter of the pupil. |
Ep | The central beam pupil-plane electric field after the modified Lyot stop. |
Eref | The pupil-plane electric field of the RH. |
ℱ{⋅} | The Fourier transform operator. |
I0 | The focal-plane intensity of the central peak in the OTF. |
Iic | The focal-plane intensity of the incoherent contribution (e.g., an exoplanet). |
Ict | The focal-plane intensity of both sidebands in the OTF. |
Ii | Focal-plane intensity image of channel i. |
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Focal-plane intensity image of channel i with companion. |
Iref | The focal-plane intensity of the RH. |
![]() |
The focal-plane intensity of the RH corrected for polarizer leakage. |
Isb | The focal-plane intensity of one sideband in the OTF. |
Nact | Number of actuators along one axis in the pupil. |
Npix | Number of pixels per λ/D. |
OTFi | The OTF of channel i. |
Rλ | The spectral resolution. |
𝒮 | The detector sampling in units of pixels per λ/D. |
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