Modulated Laser Diode Modules

The LQA and LQD Series Diode Laser Modules, with an analog and a digital modulation input, respectively, are available at various wavelengths from 635 nm to 1550 nm with high optical power levels.

Variety of wavelengths available
Ultra-fine PID temperature controller inside
Ultra-stable wavelength control with high output power
Analog modulation up to 20 MHz, or digital modulation up to 100 MHz
Circular or elliptical beam
Note: Not CE marked

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Description	Compatibility	Avail.	Price
LQA1064-150E Laser Diode Modules, ModulationLaser Diode Module, 1064 nm, 150 mW, Analog, Elliptical Beam	UNIVERSAL		$2,970
LQA1550-05E Laser Diode Modules, ModulationLaser Diode Module, 1550 nm, 5 mW, Analog, Elliptical Beam	UNIVERSAL		$2,280
LQA635-08C Laser Diode Modules, ModulationLaser Diode Module, 635 nm, 8 mW, Analog, Circular Beam	UNIVERSAL		$2,550
LQA639-30C Laser Diode Modules, ModulationLaser Diode Module, 639 nm, 30 mW, Analog, Circular Beam	UNIVERSAL	Discontinued
LQA658-30C Laser Diode Modules, ModulationLaser Diode Module, 658 nm, 30 mW, Analog, Circular Beam	UNIVERSAL	Discontinued
LQA660-110C Laser Diode Modules, ModulationLaser Diode Module, 660 nm, 110 mW, Analog, Circular Beam	UNIVERSAL		$2,800
LQA980-220E Laser Diode Modules, ModulationLaser Diode Module, 980 nm, 220 mW, Analog, Elliptical Beam	UNIVERSAL		$2,210
LQD1550-05E Laser Diode Modules, ModulationLaser Diode Module, 1550 nm, 5 mW, Digital, Elliptical Beam	UNIVERSAL		$2,400
LQD635-03C Laser Diode Modules, ModulationLaser Diode Module, 635 nm, 3 mW, Digital, Circular Beam	UNIVERSAL		$2,250
LQD639-30C Laser Diode Modules, ModulationLaser Diode Module, 639 nm, 30 mW, Digital, Circular Beam	UNIVERSAL		$2,700

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Features

Current Source and Temperature Control Built-in for Excellent Performance

The LQA and LQD Series include a self-contained laser diode with superior optical quality, a very high precision current source and a PID temperature controller built in the module. These laser modules are ideal for demanding experimental setups where the temperature and current control are important.

Protective rubber cap included only with Class 3B lasers and above.

Analog Modulation Versions

The LQA Series can perform analog modulation of up to 20 MHz. Modulating the LQA diode laser modules from below-threshold (at 0 V) to full power (at +1 V) requires an external 1 VDC analog input. The modulation sources must be provided by the user. Our LQA-CAB cable is recommended as a modulation interface between the modulation source and the diode laser module.

Digital Modulation Versions

The LQD Series can perform digital modulation (via TTL) of up to 100 MHz. Modulating the LQD diode laser modules from below-threshold to full power requires a user-supplied external 0-5 V TTL modulation signal (0 V yields full power). Our LQA-CAB cable is recommended as a modulation interface between the modulation source and the diode laser module.

Wide Variety of Laser Modules

The laser diodes are available at various wavelengths and output power levels. Newport strives to offer high performance laser diodes with a variety of different output wavelengths and a high output power and beam quality to provide the maximum flexibility in your research.

Elliptical or Circular Beam Output

All LQA and LQD diode lasers are available either in elliptical (E versions) or circular (C versions) output beam shape. Circular beams are generated using a micro lens built in the diode laser and exhibit better quality than elliptical versions. The wavelengths indicated are typical values only, due to the nature of FP lasers.

LPMS Power Supplies Recommended for Use with Laser Diode Modules

Newport's LPMS Series Power Supplies (sold separately) are more than just power supplies. This is a key instrument that will make the LQA and LQD laser diode modules CDRH-compliant. It provides an interlock input, key enable switch, delayed start-up, and laser active indicator. The laser modules in the wavelength range of 375-473 nm require an 8/12 VDC power source. Those in the range of 635-2330 nm require a 5 VDC power source. (Note: Warranty is not applicable when a custom power supply is used to drive the laser diode module.)

Power Supplies Ordered Separately

Applications

Spectroscopy
Interferometry
Machine vision
Marking, Flow cytometry
Tissue fluorescence.

Accessories

Optical Mounts

	Compare	Description	Compatibility	Drawings, CAD & Specs	Avail.	Price
		A-2-1.5 Optical Mount Adaptor, 50.8 mm to 38.1 mm (2 to 1.5 inch)	UNIVERSAL			$80
		U200-A Mirror Mount, ULTIMA<sup>®</sup>, Clear Edge, 2.0 in., No Actuators	UNIVERSAL			$188

Interface Cable

	Compare	Description	Compatibility	Drawings, CAD & Specs	Avail.	Price
		LQA-CAB Interface Cable, LQA and LQD Laser Modules	UNIVERSAL			$49

Power Supplies

Description	Compatibility	Price
LPMS-5-110 Power Supply, 635-2330 nm Laser Diode Modules, 5 VDC, 110 VAC	UNIVERSAL	$405
LPMS-5-220 Power Supply, 635-2330 nm Laser Diode Modules, 5 VDC, 220 VAC	UNIVERSAL	$625
LPMS-8-110 Power Supply, < 500 nm Laser Diode Modules, 8V DC/110 VAC	UNIVERSAL	$365