Andor Technology Mechelle User Manual

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Version 4.2 rev 06 Oct 2020
8.2 x 8.2 mm / 512 x 512 sensor
Lowest Noise Imaging EMCCD
Mechelle
6.1 puRging tHe sHutteR Housing
Although the main enclosure of the Mechelle is sealed and lled with Dry Nitrogen (or evacuated), air is also present in
the small space between the camera and the spectrograph in the shutter housing. This may reduce the throughput of
the spectrograph in the UV. This can be ushed out with dry gas to remove the water vapour. Flushing is done via the
two ports (1x each side of the camera ange, normally sealed by grub screws).
6.2 excHanging apeRtuRe slit oR FibRe adapteRs
When larger bre (>50 μm diameter) must be used, a combination of slit and bre can be used. The slit will determine the
resolution of the spectrograph and the large bre will ensure higher transmission of light. In this case the SMA connector
is removed, the slit disk is attached to the Mechelle then the SMA connector attached after the slit disk as shown below.
Optional FC and ST adapters (see Section 2.3.1) are tted in the same way.
NOTE: After changing slit to bre, the unit must be recalibrated.
Figure 27: Fitting an SMA connector over the slit disc using the brass insertion tool
6.3 ReplaceMent paRts
There are no user replaceable parts- for assistance please contact your nearest Andor representative (see Section 1.1) if
required.

Andor Technology Mechelle Specifications

General

Brand	Andor Technology
Model	Mechelle
Category	Laboratory Equipment
Language	English