A light emitting element comprising: an LED element that emits an excitation light (L0) having a single peak wavelength (λ1) within a range of greater than or equal to 380 nm and less than or equal to 500 nm; a fluorescent body to which at least a portion of the excitation light enters to emit fluorescence (L1) having a wavelength longer than the excitation light; and a light extraction surface that emits an output light (La) formed by superimposing the excitation light and the fluorescence; wherein the output light exhibits light emission at least over an entire wavelength range of from the peak wavelength of the excitation light to 1050 nm, meaning that in said entire wavelength range an output light intensity of greater than or equal to 0.03% with respect to the light emission intensity at the peak wavelength of the excitation light is achieved, and all of the output light in the wavelength range of from the peak wavelength of the excitation light to 1050 nm have a light emission intensity of greater than or equal to a light emission intensity at 1050 nm, wherein the half width of the LED element is greater than or equal to 5 nm and less than or equal to 20 nm, and the fluorescent body includes a first fluorescent body that generates a first fluorescence (L1a) having a peak wavelength (λ2) in the range of greater than or equal to 500 nm and less than or equal to 600 nm when the excitation light enters, and a second fluorescent body that generates a second fluorescence (L1b) having a peak wavelength (λ3) in the range of greater than or equal to 600 nm and less than or equal to 1050 nm when the excitation light enters, and the half width of the fluorescence (L1a) derived from the first fluorescent body is greater than or equal to 50 nm and less than or equal to 200 nm, and the half width of the fluorescence (L1b) derived from the second fluorescent body is greater than or equal to 50 nm and less than or equal to 200 nm. an LED element that emits an excitation light (L0) having a single peak wavelength (λ1) within a range of greater than or equal to 380 nm and less than or equal to 500 nm; a fluorescent body to which at least a portion of the excitation light enters to emit fluorescence (L1) having a wavelength longer than the excitation light; and a light extraction surface that emits an output light (La) formed by superimposing the excitation light and the fluorescence; wherein the output light exhibits light emission at least over an entire wavelength range of from the peak wavelength of the excitation light to 1050 nm, meaning that in said entire wavelength range an output light intensity of greater than or equal to 0.03% with respect to the light emission intensity at the peak wavelength of the excitation light is achieved, and all of the output light in the wavelength range of from the peak wavelength of the excitation light to 1050 nm have a light emission intensity of greater than or equal to a light emission intensity at 1050 nm, wherein the half width of the LED element is greater than or equal to 5 nm and less than or equal to 20 nm, and the fluorescent body includes a first fluorescent body that generates a first fluorescence (L1a) having a peak wavelength (λ2) in the range of greater than or equal to 500 nm and less than or equal to 600 nm when the excitation light enters, and a second fluorescent body that generates a second fluorescence (L1b) having a peak wavelength (λ3) in the range of greater than or equal to 600 nm and less than or equal to 1050 nm when the excitation light enters, and the half width of the fluorescence (L1a) derived from the first fluorescent body is greater than or equal to 50 nm and less than or equal to 200 nm, and the half width of the fluorescence (L1b) derived from the second fluorescent body is greater than or equal to 50 nm and less than or equal to 200 nm. <EOS>