ONTF Company Ltd.
optical engineering services

About us Catalog Cooperation Contacts

85, B. Vishnevetsky st., Cherkassy
e-mail: info@ontf.ck.ua

phone: +380 472 33-72-13
questions and answers

Beamsplitter cubes

Technical characteristics

Parameter

Allowed values

Size of an entrance face  АхА, mm

10 х 10 to 60 х 60

Reflection R /Transmission T

50%R/50%T ± 5% for 450 - 680 nm

Input and output beams deviation, arcsec, max

90˚, 180˚ ± 10

Flatness of reflective faces, λ  (λ=632.8 нм)

0.05 - 0.1λ

Flatness of deflective faces, λ  (λ=632.8 нм)

0.1 - 0.2λ

Dimensional tolerance, mm

± 0.1

Surface quality acc. to ISO10110-7

5/3 х 0.1

Roughness acc. to  GOST 11141-84

P II – P V

Integral prisms can be made of fine-annealing colourless optical glass N-BK7 and fused silica. Alternative R/ T ratios, other spectral ranges and wavelengths are possible  at the customer's request. Input and output faces of cube can be coated with anti-reflective coatings with required specifics ( refer to the site, Catalog-Coatings)

Manufacturing of Spherical Lenses
Manufacturing of Spherical Lenses
Manufacturing of Prisms
Manufacturing of Prisms
Manufacturing of Mirrors
Manufacturing of Mirrors
Coating
Coating
Manufacturing of small series (samples)
Manufacturing of small series (samples)