Thorlabs BB1‑E03 Broadband Dielectric Mirror

Overview

• Model: BB1‑E03, Ø1″ (25.4 mm) broadband dielectric mirror

• Coating range: Designed for 750–1100 nm, with an average reflectance > 99% over that band

• Substrate: High‑grade fused silica, thickness approx. 6.0 mm (0.24″)

• Surface specs: parallelism < 3′ arcminutes, surface flatness ~ λ/10, surface quality 10‑5 scratch‑dig

Performance & Features

• Reflectance (R_avg): > 99% for both S‑ and P‑polarizations at angles of incidence up to ~45°

• Coating durability: DLC dielectric coatings, RoHS and REACH compliant