Research on the Seed Respiration CO₂ Detection System Based on TDLAS Technology

Figure 3

Optical path simulation of Herriott cell. (a) Light spots simulation of Herriott cell, totally 27 light spots on mirror A (there are 28 light spots on mirror B); (b) reflected light path simulation of Herriott cell between two spherical mirrors with a diameter of 2 inches and a radius of curvature of 400 mm and a center distance of 378.4 mm.

(a)

(b)