THORLABS SLS301 User Manual page 7

Stabilized Benchtop Halogen Light Source
Here is the dimension information of the tungsten-halogen bulb.
Bulb Specifications
Bulb
Dimensions
Filament Dimensions
Filament Turns
Filament Section view
The collimating lens is a plano-convex lens, with the plano surface facing the filament. The main specs of the
collimating lens is listed below.
Lens Specifications
Parameter
Clear Aperture
Diameter
Focal Length
Back focal length
Surface radius
Central thickness
Edge thickness
Material
Design Wavelength
Page 5
A 13.5 mm
B 50 mm
C 30 mm
6.5 mm x 1.3 mm x 3.3 mm
Rectangular/1.33 mm x 3.3 mm
Figure 3.4 Tungsten-Halogen Lamp Dimensions
Symbol Value
CA 30 mm
Dia 40 mm
f 80 mm
f 74.93 mm
b
R 41.3 mm
t 7.67 mm
c
t 2.5 mm
e
- N-BK7
- 587.6 nm
Figure 3.5 Collimating Lens Main Specification
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Chapter 3: Product Overview
Rev E, September 28, 2018