Laser Diode Module, LQx Series
20Pages

LQx /LQx / RLx RLx Serieries RL LQx / Series LQx and RLx Series User’s Manual

ii Preface Warranty Newport Corporation warrants that this product will be free from defects in material and workmanship and will comply with Newport’s published specifications at the time of sale for a period of 90 days from date of shipment. If found to be defective during the warranty period, the product will either be repaired or replaced at Newport's option. To exercise this warranty, write or call your local Newport office or representative, or contact Newport headquarters in Irvine, California. You will be given prompt assistance and return instructions. Send the product, freight...

Preface iii EU Declaration of Conformity We declare that the accompanying product, identified with the mark, complies with requirements of the Electromagnetic Compatibility Directive, 89/336/EEC and the Low Voltage Directive 73/23/EEC. Model Number: LQA, LQC, LQD, RLA, RLC, and RLD Series Laser Source Modules Year mark affixed: 2004 Type of Equipment: Electrical equipment for measurement, control and laboratory use Standards Applied: Compliance was demonstrated to the following standards to the extent applicable: BS EN61326-1:1997+A1+A2 “Electrical equipment for measurement, control and...

iv Preface Technical Support Contacts North America & Asia Newport Corporation Service Dept. 1791 Deere Ave. Irvine, CA 92606 Telephone: (949) 253-1694 Telephone: (800) 222-6440 x31694 Europe Newport/MICRO-CONTROLE S.A. Zone Industrielle 45340 Beaune la Rolande, FRANCE Telephone: (33) 02 38 40 51 56 Asia Newport Opto-Electronics Technologies 253 Aidu Road, Bld #3, Flr 3, Sec C, Shanghai 200131, China Telephone: +86-21-5046 2300 Fax: +86-21-5046 2323 Newport Corporation Calling Procedure If there are any defects in material or workmanship or a failure to meet specifications, promptly notify...

1 General Information 1.1 Introduction Newport’s LQx Series Laser Diode Light Source Modules can be used in analytical, industrial and biomedical applications, such as spectroscopy, interferometry, machine vision, marking, flow cytometry and tissue fluorescence. The RLx Series can be used for Raman spectroscopy, holography, and interferometry. Modules are available at various wavelengths and output power levels, with the choice of either elliptical or circular output beam shape for the LQx series. Both the LQx and RLx Series include self-contained laser diode modules with superior optical...

2 General Information All LQx and RLx modules with wavelengths in the range 635nm -2330nm require an external 4.8 (~5) VDC power source. Modules with wavelengths below 500 nm require an 8 to 12 VDC power source. Newport offers a 5, 8 and 12 VDC supply for use with the LQx and RLx series. The operating voltage for the LQx and RLx series is dependent on the wavelength specifications of the laser diode module, as shown in the following table: Power Supply Diode Module λ Operating Voltage 110 VAC 220 VAC 635-2330nm 5V LPMS-5-110 LPMS-5-220 375-473nm 8V LPMS-8-110 LPMS-8-220 375-473nm 12V...

General Information 1.2 3 Installation Do not mount the laser in a thermal insulating material, such as foam plastic. Heat can have adverse effects on laser diodes. Such effects include decreased output power and large shifts in wavelengths. Lasers below 5mW may not need a heat sink. For best heat dissipation use a metal mounting fixture like Newport’s ULM Series mounting brackets. A heat sink is always recommended for operating temperatures above 25°C. The operating voltage for the LQx and RLx Series laser modules in the wavelength range of 635nm-2330nm is 5 VDC. Modules less than 500nm...

4 General Information A power only cable is provided with the LQx/RLx series. Newport supplies two accessory cables for easy access to the monitoring connections. The part number for the cables for the CW lasers is LQC-CAB and the cable part number for the analog and digital lasers is LQA-CAB. The LQA-CAB also incorporates a BNC input connector for analog or TTL modulation input. If you prefer to manufacture your own cable harness, we recommend using Molex part number 22-55-2161 and crimp terminal 16-02-0103 or equivalents. Newports’s standard cable includes only the 5, 8 or 12 VDC and...

General Information 5 to set the desired temperature. There will be a short delay between adjusting the pot and monitoring a change in the laser diode temperature. ANALOG MODULATION USERS: Analog modulation requires an input voltage on the BNC Connector of the LQA-CAB cable. A control voltage of 1 VDC will yield a 100% power output. A control voltage of 0 VDC will yield a threshold power output. The relationship between voltage and output power is not linear. TTL MODULATION USERS: TTL modulation requires an input voltage on the BNC Connector of the LQA-CAB. A control voltage of 5 VDC will...

6 General Information 1.5774559 14.99849952 2.609092965 39.00134137 1.622420602 15.9986092 2.646400526 40.001469 1.667530436 16.99871966 2.683044569 41.00159739 1.71273777 17.99883089 2.71901389 42.00172648 1.757995134 18.9989429 2.754299082 43.00185628 1.803255416 19.99905568 2.788892466 44.00198678 1.848472054 20.99916922 2.822788029 45.002118 1.893599212 21.99928353 2.855981348 46.00224992 1.938591962 22.9993986 2.888469518 47.00238255 Table 3 Temperature Monitor Look Up Chart ERROR/DISABLE: Pin 11 (yellow) has two functions. (1) It can be monitored for an error signal. If the voltage is...

General Information 7 1.3 Operation 1.3.1 Operation and Control Procedure The LQx and RLx Series does not have any user adjustable controls. The user may adjust the focus or collimation of the output beam on E models by using the supplied spanner wrench to increase or decrease the distance between the diode and the optic. The P (prism) series does not have adjustable optics. 1.3.2 Preventative Maintenance This laser module contains no user serviceable parts. Occasionally the optics may need cleaning depending on environmental conditions. When cleaning is required, the use of clean,...