Compact Stabilized Light Sources Chapter 4: Operation
Page 10 CTN002682-D02
4.4. Filter Holder
The light source is equipped with a removable filter holder. The filter holder (filters
sold separately) has an SM1 internal thread and one retaining ring. It allows the
user to mount any Ø25 mm or Ø1" optics, the thickness of which is less than 8 mm,
inside the light source.
The removable filter can be locked into place with the filter setscrew, located on
the side of the stabilized light source. Use included 1.5 mm hex key to
tighten/loosen the setscrew.
Figure 9 Removable Filter Holder of SLS201L
4.5. Front Fiber Coupler
The light source also features a fiber coupler at the output of the device. The fiber
coupler has standard SMA connector for easy connection with SMA fiber patch
cables. The fiber adapter is pre-adjusted to its optimum position before shipping
out and does not require users to re-align in most circumstances.
The SLS201L/SLS202L features a quick release mechanism allowing users to
easily install and remove the fiber coupler, switching between a free space light
source and a fiber coupled one. The great mechanical repeatability of the quick
release mechanism ensures that installing/removing the fiber coupler will not
change its positioning relative to the bulb, thus ensuring a constant output power
level.
Figure 10 Removable Front Lens Tube of SLS201L
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