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RWS Single Frequency Laser Diode

Product information "RWS Single Frequency Laser Diode"

780 nm; Selectable Linewidth <0.1 pm; Output Power 80 mW; Threshold Current ≤70 mA; Slope Efficiency ≤1.4 W/A; Side Mode Suppression Ratio ≥30 dB

The RWS stabilized ridge waveguide laser diode is Toptica eagleyard’s low-cost approach for volume applications at 780 nm. With its high coherence, it is perfectly suited for interferometry and metrology. Toptica eagleyard migrated the RWS technology from a big 8-pin TO package to this small, hermetically sealed, 8-pin TO-5 package, while keeping full functionality like the integrated TEC (thermoelectric cooler), thermistor and monitor diode.

Mode‐hops may appear, but the user can always achieve single mode operation by selecting the operating conditions of the laser diode.

This laser diode features built-in grating stabilizing the wavelength and provide a low-cost approach based on less tight specifications. Its entire resonator consists of a periodic structure. Thus, the device operates on a single resonator mode, emitting quasi-monochromatic radiation with a very small line width and low phase noise. Given the right operating conditions, this laser diode can have very low-intensity noise because of the lack of mode partition noise. Due to the Gaussian mode, the output is diffraction-limited

Key Features:

  • Wavelength: 780 nm
  • Monolithically Integrated Wavelength Stabilization (On Chip)
  • Single Frequency Operation
  • Small Selectable Linewidth: <0.1 pm
  • Output Power: 80 mW
  • Threshold Current: ≤70 mA
  • Slope Efficiency: ≤1.4 W/A
  • Side Mode Suppression Ratio (SMR): ≥30 dB
  • Compact Design: Industry Standard (JEDEC) 8-pin TO-5 Package
  • Hermetically Sealed
  • TEC (Thermoelectric Cooler) & Thermistor Integrated
  • Monitor Diode Integrated
  • Cost Reduction at Higher Volumes

Applications: Interferometry, Laser Doppler Velocimetry and Vibrometry; THz Generation, Raman Spectroscopy; Rubidium Spectroscopy; Seed Laser for LIDAR Systems


Please note that TOPTICA eagleyard products are not availble from us in Denmark, Finland, Iceland, Norway, and Sweden. 


Manufacturer "TOPTICA eagleyard"

TOPTICA eagleyard started as a spin-off from the Ferdinand-Braun Institut (FBH) in 2002. The core competence is the development, production and sale of innovative high-power laser diodes based on GaAs (Gallium Arsenide). Its portfolio contains laser diodes with wavelengths ranging from 630 nm to 1120 nm (DFB-lasers, tapered lasers, ridge waveguide lasers and broad area lasers). These laser diodes are addressing a variety of applications such as aerospace and defense, spectroscopy, medical instrumentation, test & measurement and material analysis.


Please note that TOPTICA eagleyard products are not availble from us in Denmark, Finland, Iceland, Norway, and Sweden. 

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Wavelength 1064 nm; Power 2 W; Laser Type µMOPA; Operation Mode CWThe µMOPA, a recent SPIE Prism Award nominee in 2022, is a breakthrough in laser technology. It’s the first to integrate a DBR laser and a tapered amplifier on a single chip. Its new hermetically sealed butterfly housing with 14 thicker pins offers similar benefits as the miniTA. Since its introduction, it has been well-received in interferometry and Raman spectroscopy for its narrow 3 pm linewidth, integrated beam formation, and thermal management. The µMOPA is available with a configuration of 2 W at 1064 nm.Key features: Small linewidth (typ. 3 pm)Optimized, hermetically sealed butterfly package with 14 thicker pins for ideal power supplyVery good SMSR (typ. 50 dB) Integrated beam collimationLow residual divergenceThermal management by integrated thermoelectric cooler and thermistorAdvantages: Low complexity due to the monolithical integration of a seed laser and an amplifierEasily mountable due to the use of standard socketsCircular beam profile is beneficial for fiber coupling and focusingnew: with evaluation board for faster testing and preparationApplications: Spectroscopy, Quantum TechnologyPlease note that TOPTICA eagleyard products are not availble from us in Denmark, Finland, Iceland, Norway, and Sweden. 
Product number: SW12000
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