BH-A16 Red Reflection Mirror

BH-A16 splits light at ~565 nm: blue-green (≈ 400 – 550 nm) sails through at > 95 % transmission, while everything long-ward of the edge is sent back toward your red channel. Two secondary stop-bands above 700 nm (< 10 % T) further suppress lamp/laser IR that robs contrast in projection or camera paths. We deposit the coating on low-warp glass that we custom cut from 5 mm to 450 mm (0.21 – 3.8 mm thick) in Borofloat®, Eagle XG, ultra-thin D263 T or soda-lime, so you can match thermal and weight targets without redesigning your mount.

Key advantages

• Clean colour separation – < 1 % T from 565 – 680 nm yields > 99 % reflection for saturated reds.

• High B+G throughput – > 95 % T 410 – 550 nm maximises luminous efficiency.

• Durable oxide stack – plasma-assisted film meets MIL-M-13508C abrasion and adhesion specs.

• λ/4 P-V transmitted WFE – preserves MTF in 4K/8K projection or machine-vision lenses.

• Low angular shift – edge moves < ±6 nm between 0 ° and 55 °, easing telecentric design.

Typical applications

• Three-chip DLP® & 3-LCD projectors – fold red away from the integrator while passing B+G.

• Laser phosphor engines – reflect 610–650 nm phosphor emission toward the colour wheel.

• Color-separation prisms & X-cubes – combine with blue/green mirrors for compact RGB combiners.

• AR waveguides & HUDs – inject red imagery without adding blue-green ghosting.

• Fluorescence epi illumination – dump rhodamine emission while delivering FITC excitation.

Need samples next week or high-volume lots next quarter? BH-A16 mirrors can be coated, diced and shipped to your exact print—fast.