Redback RS40k Manuale utente
RS40k Echelle Spectrometer
User Manual
Version 1.5 - July 7, 2023
© Redback Systems Pty Ltd. All rights reserved. No part of this publication may be reproduced
by any means without the written permission of Redback Systems.
Thorlabs is a registered trademark of Thorlabs Inc in the United States and/or other countries.
Windows is a registered trademark of Microsoft Corporation in the United States and/or other
countries.
The information in this publication is believed to be accurate as of the publication release date.
However, Redback Systems does not assume any responsibility for any consequences including
any damages resulting from the use thereof. The information contained herein is subject to
change without notice. Revision of this publication may be issued to incorporate such change.
© Redback Systems Pty Ltd
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Table of Contents
1. Introduction 2
2. Requirements 2
3. Warnings 4
4. Safety Precautions 4
4.1 General Handling 4
4.2 Fibre Installation 5
5. Installation 5
5.1 Contents of Shipment 5
5.2 Spectrometer Interfaces 6
5.3 Optical Fibre 8
5.3.1 Cleaning Optical Fibre Connectors 9
6. Software 10
6.1 Updates + Downloads 10
6.1.1 Check your software version 10
6.2 Software Installation 10
6.3 Wavelength Calibration 11
6.4 User Interface 13
6.4.1 Toolbar Actions 14
6.4.2 Spectrum Acquisition 16
6.4.3 Saving data 16
6.4.4 Regions of interest (ROIs) 17
6.4.5 Dark Screen 17
6.4.6 Periodic Acquire 17
6.4.7 Dark Calibration 18
6.4.8 Flat-Field Calibration 20
6.5 Python API 22
6.6 Troubleshooting 22
6.6.1 Wavelength offset correction 22
6.5.1 High detector humidity warning 23
7. Device properties 25
7.1 Optical Parameters 25
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1. Introduction
Thank you for purchasing a Redback Systems product. This manual provides you with
directions on the device installation and operation as well as a brief introduction to the
RedSolve software. Please read the following instructions carefully.
NOTE: Please read this manual carefully before installing and operating your new
RS40k spectrometer. It is important to understand and follow all safety, installation,
operation, and maintenance procedures as stated to ensure proper functionality.
2. Requirements
To ensure your computer can operate the device software and drivers, please read the
hardware and software system requirements below. Note that at this time only the
Windows operating system is supported. In addition to hardware requirements, an
internet connection is required for downloading the device driver, software and manual.
Minimum hardware and software requirements:
●Operating System: Windows 10 (64 bit)
●Processor: Intel Core i5 or AMD Ryzen 5
●USB 2.0 port
●RAM: 8.0 GB
●HDD: 256 GB internal hard drive
Recommended hardware and software requirements:
●Operating System: Windows 10 (64 bit)
●Processor: Intel Core i7 or AMD Ryzen 7
●USB 3.0 high speed port (preferred)
●RAM: 16.0 GB RAM
●HDD: 1TB internal SSD hard drive
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3. Warnings
●Your Redback Systems spectrometer is a precision optical instrument. Always
handle it with the level of care appropriate for such instruments.
●There are no user serviceable parts inside the spectrometer housing or inside the
camera. Subsequently, both components MUST NOT be opened.
●Care should be taken such that the camera does not overheat. The camera’s air
vents must not be blocked.
●Your Redback Systems spectrometer does not contain a shutter. Please avoid
illuminating the detector with high-power lasers.
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4. Safety Precautions
4.1 General Handling
●Handle the spectrometer with care.
●Make sure the spectrometer is placed on a flat surface with its red lid at the top.
●Do not operate in damp or wet conditions with RH >70%.
●Do not use the spectrometer in an outdoor environment.
●Do not disassemble the spectrometer or attempt to modify or repair it.
●Do not subject the spectrometer to mechanical shock or vibration.
●Do not cover the cooled detector.
●Do not operate the spectrometer in explosive environments.
●Only use the electrical cables provided.
●Avoid static electricity.
4.2 Fibre Installation
●Take care when installing the optical fibre.
●Only use FC/PC fibre connectors as specified in Section 5.3 of this manual.
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5. Installation
5.1 Contents of Shipment
Please inspect the device mechanically and unpack the contents in a clean, dry, and
EDS-free area. Verify that you have received the following items with the package:
●RS40k spectrometer in Pelican 1520 storage case
●12V/5A power supply and cable
●USB 3.0 cable
●S405-XP and 780HP single-mode fibres with FC/PC to FC/APC connectors
●USB flash drive with unique wavelength calibration file
●Desiccant container filled with silica gel
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5.2 Spectrometer Interfaces
NOTE: Do not connect the RS40k echelle spectrometer to any PC prior to installing
the software application and device drivers. Please use the included USB 3.0 cable to
connect the detector with your PC or laptop.
The spectrometer interfaces are shown in Figure 1. The device has four mounting slots
which are machined into the aluminium housing. Off-the-shelf mounting hardware (e.g.
Thorlabs CL5A) can be used to secure the device onto the optical table. Make sure not
to overtighten the screws as this could result in permanent deformation of the rubber
feet and can also exert stress onto the housing which can negatively affect the
performance of the device.
Figure 1: RS40k spectrometer ports and interfaces: (1) fibre input, (2) mounting slots,
(3) 12V power, (4) USB 3.0 interface, and (5) Trigger IN/OUT. Note, the Trigger IN/OUT
interface are optional and not activated by default.
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5.3 Optical Fibre
The RS40k is specifically designed to work seamlessly with single-mode fibres that are
equipped with FC/PC connectors. When you receive the device, it will come with two
hybrid single-mode fibres (SMFs) that are suitable for your spectrometer's wavelength
range. In Figure 2, you can see a depiction of commonly utilised single-mode fibres,
which effectively cover the wavelength range of your spectrometer. The solid bar shows
the transmission range given in the supplier’s datasheet. The measured range can vary
from fibre to fibre and often exceeds the theoretical limit (see hatched area).
Figure 2: Selection of standard SMFs compatible with the RS40k wavelength range. The
hatched area indicates the measured fibre transmission, exceeding the theoretical range.
Butt coupling FC/APC fibres to FC/PC fibres may result in light loss of up to 50%. We
recommend using hybrid patch cables with FC/PC and FC/APC connectors if your
experiment is based on APC fibres. Your RS40k package includes a set of hybrid patch
cables (Thorlabs S405-XP and Thorlabs 780HP) which cover the 420-950 nm range.
NOTE: If your system requires fibres with FC/APC connectors please use the included
hybrid patch cables to adapt your fibre system to the RS40k spectrometer.
Testing of the device has revealed that light leakage through coloured furcation tubes is
able to be detected in the NIR range of the spectrum. Therefore, for best results, we
recommend using fibres embedded in black or metal furcation tubes only. Alternatively,
the device should be operated with the room lights switched off.
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