Europium doped KCaF phosphors (KCaF:Eu) were prepared using various concentrations of Eu by conventional solid-state reaction process. The X-ray diffraction (XRD) studies confirmed the formation of orthorhombic structured KCaF:Eu phosphors. Scanning Electron Microscopy (SEM) image of the synthesized phosphor exhibits agglomerated particles with irregular shapes. The composition of the synthesized sample was determined by Energy Dispersive Spectroscopy (EDS) spectrum and elemental mapping showed the homogeneous dispersion of Eu ions into the synthesized KCaF:Eu phosphor. The emission peak intensity at 594 nm from photoluminescence (PL) spectra was found to increase with the increase of Eu concentrations from 0.02 mol% to 0.06 mol% and decreased with the further increase of Eu concentration up to 0.1 mol%. CIE1931 chromaticity diagram coordinates (x, y) of KCaF:(0.06 mol%) Eu phosphors were positioned in the reddish-orange region (x = 0.5736, y = 0.4224). Photoluminescence property confirms the suitability of KCaF:Eu phosphors for Solid state lighting application. X-ray induced luminescence (radioluminescence, RL) is recorded for KCaF:Eu phosphors showing the characteristic emission of Eu and Eu. ESR study on KCaF:Eu phosphors confirm the presence of Eu ions. Beta irradiated thermoluminescence (TL) glow curve of Eu doped KCaF phosphors is measured and deconvoluted using Gaussian fitting. TL kinetic parameters like activation energy (E) and frequency factor (s) are calculated for all the deconvoluted peaks using peak shape method which shows the synthesized KCaF:Eu phosphors is suitable for dosimetry application.