Optical BBAR Coating

Chamber dimensions [Customizable (Data for Reference Only)]: Φ2700 x H1850 Load capacity [Customizable (Data for Reference Only)]: 5.3 m2 Structure [Customizable (Data for Reference Only)]: Vertical, front-opening door, SUS304 stainless steel

This series was developed for mass-production market needs. Production-proven equipment offers high productivity and the lowest ownership cost for cost-optimized volume production of optical components. It can produce AR, UV/IR cutoff filters, AF, hard coatings, decorative coatings, ITO coatings, bandpass filters and HR coatings. Equipped with an electron gun, pocket-type, kidney-shaped or annular crucibles and an impedance-type evaporation source. Optical or quartz-crystal thickness monitoring enables automatic control of deposition rate and coating processes. Optional RF/Kaufman-type/Hall-type ion sources. AR coatings (substrate glass transmittance >91.5%): in the 420-680nm band, single-sided average transmittance >95% and reflectance less than 0.5% (average); double-sided average transmittance >98% and reflectance less than 0.5% (average). AS/AF coating test standards: initial contact angle 115±5°; steel-wool abrasion test using 0000# steel wool over 10*10mm, 40 strokes/min, load 1Kg: contact angle greater than 100° after 5000 reciprocating rubbing cycles; eraser test using a 6mm-diameter eraser, 25 strokes/min, load 1Kg: contact angle greater than 100° after 2500 reciprocating rubbing cycles. Note: glass test samples must be precision-polished glass specifically for touchscreen cover plates, with a clean, smooth surface.

Abbe number: 72.24 Birefringence [Visible light orthogonal to the optical axis]: 0.008 Clear Aperture Dimension: ≥90%

Sapphire windows retain high strength at elevated temperatures, with good thermal properties and excellent transparency. They resist common acids and alkalis at temperatures up to 1000°C and hydrogen fluoride below 300°C. These properties support use in harsh environments requiring optical transmission from vacuum ultraviolet to near infrared.

Material [Question 1 in the body text]: N-BK7, Schott borosilicate Dimensional Tolerance [Standard; No unit stated in the table]: +0.0/-0.2 Thickness Tolerance [Standard; No unit stated in the table]: ±0.2

BK7 windows are the most common window type, with good performance in visible and near-infrared bands. BK7 windows are ideal where transmitted-beam deviation must be minimized and are suitable for AR coatings.

Material: Color Glass Type(Cut-off Glass, Absorption-Selective Glass, Neutral Glass) Dimensional Tolerance: +0.0, -0.1 Thickness Tolerance: ±0.1 mm

Colored glass modifies the spectral characteristics of optical radiation for scientific experiments and industrial applications requiring such changes. Colored-glass filters can be combined to modify the passband or increase attenuation.

Available materials [Series supply]: N-BK7, UV fused silica or other optical glass Dimensional Tolerance [Standards]: +0/-0.2 Dimensional Tolerance [Processing Upper Limit]: +0/-0.05

Right-angle prisms commonly alter optical paths or redirect beams by 90°. Designed with a 90° angle, they produce inverted or reversed left-handed images depending on orientation. Using two together is ideal for image or beam displacement. Also called mirror-image reflecting prisms.