Parameter

Present Method

Spectroradiometric data

λ_m (nm)

(i) measured with spectrometer & grating: 529 - 532

(ii) Calculated from Equation (3) with experimental t and Δn and using k = 2:

(a) 525 with exact value of t

(b) 498 assuming 5% increase in t

(c) 551 assuming 5% decrease in t

532 - 534

FWHM (nm)

28 (calculated from Equation (3) with experimental Δn)

30