532 nm SHG Fiber Laser with Cavity-Free Technology

Product Description

The 532 nm SHG fiber laser utilizes second-harmonic generation (SHG), providing all-fiber narrow-linewidth polarization-maintaining (PM) light at a power levels up to 14 W. A smart internet-of-things (IoT)-based control system is adopted to enable user-friendly interface. The system is packaged in a typical industrial 4U 19" rack-mountable chassis.

Product Selection Guide

532 nm 14 W second-harmonic generation (SHG) fiber laser.

Features

532 nm
High output power (14 W)
High reliability with all-fiber design
Narrow linewidth (<20 kHz)
Excellent power stability (<1%)
User-friendly interface via IoT technology
4U 19" Rack mount
Certified to IEC 60825-1:2014 safety standards

Applications

Laser cooling and trapping
Atomic interferometry
Quantum sensing
Quantum computing
Pumping Ti:Sapphire laser
Precision measurement
Holography

Second-Harmonic Generation (SHG)

QTekLaser offers laser systems with extended wavelength range by combining nonlinear frequency conversion technologies. Through second-harmonic generation (SHG) we achieve significant laser power at the visible and NIR regime (figure 1; red-shaded cells of table 1). With the development of periodic poled crystal technology and the associated waveguide technology, nonlinear frequency conversion has become a powerful tool to extend the application scope of fiber lasers. For QTekLaser products, the max power of the converted laser light is constrained by the damage threshold of commercially available nonlinear crystals, which is typically several tens of watts.

Wavelength extension of QTekLaser products via nonlinear frequency conversion. The red-shaded cells represent SHG and blue-shaded cells SFG.

Table 1. Wavelength extension of QTekLaser products via nonlinear frequency conversion. The red-shaded cells represent second-harmonic generation (SHG) and the blue-shaded cells sum-frequency generation (SFG).

Figure 1. QTekLaser fiber laser system with an integrated frequency doubler.

Specifications

Wavelength	532 nm
Output power	1-14 W
Polarization Extinction Ratio (PER)	25 dB
Power stability	<1%
Laser linewidth	<20 kHz
Operating temperature	17-25 °C
Wavelength tuning range	0.5 nm
Cooling mode	Water cooling
Beam quality	TEM00, M²<1.1
Output mode	Free space, collimated with ~2.1-2.2 mm 1/e² diameter
Risidual Intensity Noise (RIN)	-135 dBc/Hz >10kHz
Side-Mode Supression Ratio (SMSR)	60 dB
Laser Head Size	12"x12"x3.714"
Chassis	4U 19" Rack mount

QTek Laser's lasers comply with Federal Regulations (21 CFR Subchapter J, Part 1040) as administered by the Center for Devices and Radiological Health and are certified to IEC 60825-1:2014 standards.

It is the end user's responsibility to ensure that no significant light is retroreflected back into QTekLaser systems as this can degrade performance and potentially damage the lasers. To prevent this, the use of an external optical isolator is strongly recommended. Damage due to retroreflected light is not covered under warranty.