Cemented Achromatic Doublets0 pages

OPTICAL COMPONENTS

Cemented Achromatic Doublets

Spherical Lenses
Cylindrical Lenses

•t
•t
•t
•t

Lens Kits
Achromatic Doublets
Multi-Element
Micro Optics

Cemented construction
Focal lengths from 20 to 1000mm
Diameters from 10 to 50.8mm
Broadband Anti-Reflection coated

Mirrors
Prisms
Substrates & Windows
Beamsplitters
Polarizers
Filter & Apertures

Chromatic aberration
is simply the result of
optical materials having
different indices of
refraction at different
wavelengths - and as a
result the focal length of
a lens will be slightly
different for different
colors. A bandwidth of

These are cemented achromats with a very precise
range of tolerances and specifications. They
are extremely convenient general purpose
lenses. Being cemented they do not need a
lens cell and can be treated as an individual
component.
These lenses can be used as collimators,
focusing lenses or light collectors.
Optimized for use at three wavelengths,
486.1, 546.1 and 656.3nm, these lenses
perform well throughout the visible spectrum.
They have a minimum of spherical and
chromatic aberration and perform well for all
paraxial imaging tasks. These achromats are
coated with a broadband Anti-Reflection coating
to reduce surface losses in the visible region.
Optional Anti-Reflection coatings for other wavelength
regions are also available.

100nm or less will rarely
produce problems.

Specifications & Tolerances

But when your
operating range is much
larger than this you really
should use an achromat
that has been designed
for use in this region.

Focal length: ±1% @546.1nmt
Diameter: +0, -0.1mm
Thickness: ±0.2mmt
Surface quality: 40-20t
Temperature range: -40°C to 90°C tt
Material: Grade A optical crown andt
Coating: Broadband Anti-Reflection
t
flint glassestt
425-675nm, or specify from pages
ttt
18 and 19

Our high quality
achromats are designed

te

for use throughout the
visible spectrum.

ORDERING
&
TECHNICAL SUPPORT

(949) 851-5881
FAX (949) 851-5058

D

E-MAIL

sales@optosigma.com
WEB

tc

www.optosigma.com
ACHROMATIC DOUBLET

90

f