Single-Frequency Fiber Lasers

High Power, Low Noise, Polarization Maintaining (PM)

Product Description

QTekLaser^TM products with model No. QT-SF-LASR-xx-xxxx-x-x-xxx-x are a series of laser systems with integrated laser seeds and amplifiers at wavelengths ranging from 1012-1080 nm, 1530-1610 nm, and 1776-2040 nm with a maximum output power from 0.5 W to 100 W. An internet-of-things (IoT)-based control system is used to enable a user-friendly interface. The system is packaged in a typical industrial 19’’ 3U or 4U rack-mountable chassis.

Product Selection Guide 1064 nm 50 W Single-Frequency Fiber Laser 1560 nm 10 W Single-Frequency Fiber Laser 1590 nm 10 W Single-Frequency Fiber Laser

Complete fiber laser system with water cooling

Features

1012-1080 nm; 1530-1610 nm; and 1776-2040 nm
High reliability with all fiber design
SBS free
Low noise
High output power (up to 100 W)
High PER
Low thermal lensing
Excellent beam quality
Compatible with narrow linewidth laser seed
Excellent power stability
User-friendly interface via IoT technology
3 or 4U 19" Rack mount
Certified to IEC 60825-1:2014 safety standards

Applications

Quantum computing
Quantum sensing
Atomic interferometry
Laser cooling and trapping
Frequency doubling or mixing
Research

Single Frequency

QTekLaser^TM amplifiers work with various kinds of seed lasers. They can be economic semiconductor diode lasers with MHz laser linewidth, robust fiber lasers with kHz linewidth, or cavity-locked ultra-stable lasers with Hz linewidth. Based on customer requirements, we can recommend the best options and integrate them into the laser system as illustrated in figure 1.

Diagram of a typical QTekLaser laser system. Seed laser and multi-stage amplifier

Figure 1. Typical single-frequency QTekLaser^TM fiber laser.

Specifications

Specification	SF-LASR-Yb	SF-LASR-Er	SF-LASR-Tm
Center wavelength	1012-1080 nm	1530-1610 nm	1776-2040 nm
Output power	1-100 W	1-60 W	1-60 W
Linewidth	<20 kHz, <3 MHz, <10 MHz	<20 kHz, <3 MHz, <10 MHz	<20 kHz, <3 MHz, <10 MHz
Optical bandwidth	≥0.2 nm	≥0.2 nm	≥0.2 nm
Operation mode	Continuous wave (CW)	Continuous wave (CW)	Continuous wave (CW)
Operating Temperature	17-25 °C	17-25 °C	17-25 °C
Package Dimensions	19" 3U or 4U	19" 3U or 4U	19" 3U or 4U
PER	>18 dB	>18 dB	>18 dB
Cooling mode	Forced Air or Water Cooling	Forced Air or Water Cooling	Forced Air or Water Cooling
Output fiber	Passive-10/125 (-PM) or PLMA	PM1550-XP or PLMA	PM1950 or PLMA

QTekLaser^TM 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^TM 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.

Ordering Information

Product Selection Guide

QT-SF-LSR	-Doping-Wavelength	-Power (W)	-Cooling	-Linewidth	-Fiber length (m)	Output connector
Yb Er Tm	1012-1080 1530-1610 1776-2050	1-100 1-60 1-60	A: forced air W: water	0: <10 MHz 1: <3 MHz 2: <20 kHz 3: other	0: 0.5 1: 1.0 2: 1.5 3: 2.0 4: 2.5 5: other	0: FC/APC 1: collimator 2: other

Example: QT-SF-LSR-Yb-1064-50-W-1-2-1
Yb doped, 1064 nm wavelength, 50 W power, water cooling, <3MHz linewidth, 1.5 m fiber length, collimator output connector
Note: Not all combinations are valid, contact the factory for guidance.