Redback RS40k Manuel utilisateur

RS40k Echelle Spectrometer

User Manual

Version 1.5 - July 7, 2023

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.

v1.5

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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7.2 Device Parameters 26

7.3 Device Dimensions 26

8. Technical Support 27

v1.5

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

v1.5

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.

v1.5

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.

v1.5

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

v1.5

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.

v1.5

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.

v1.5

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