DFB Single Frequency Laser Diodes

Product number: SW10678

Manufacturer: TOPTICA eagleyard

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Product information "DFB Single Frequency Laser Diodes"

760-1083 nm; Typ. Linewidth 0.6 MHz; Output Power 6-150 mW CW; Threshold Current ≤70 mA; Slope Efficiency 0.7 W/A; Side Mode Suppression Ratio ≥30 dB

Toptica eagleyard’s DFB series of distributed feedback (DFB) laser diodes features a built-in wavelength-selective grating stabilizing the wavelength. The DFB series’ entire resonator consists of a periodic structure. Thus, the devices operate on a single resonator mode emitting quasi-monochromatic radiation with a very small line width and low phase noise. The lasers can have very low-intensity noise because of the lack of mode partition noise. Due to the Gaussian mode the output is diffraction-limited.

The choice of a distributed feedback design instead of a similar distributed Bragg grating (DBR) structure enables even a broader smooth tuning range around the operational point without the risk of experiencing spectral issues known as mode-hops, as these are given by design of a DBR diode, making the latter less suitable for the needs of atom spectroscopy.

Special variants are available – two versions are intended to be used as seed lasers for pulsed fiber lasers, while other variants aim at oxygen detection as the emission wavelength of these laser diodes match with the strong absorption lines of oxygen at 760 nm and 764 nm while wavelength tuning around one of these absorption lines is possible.

Further variants are especially suitable for spectroscopy with mode‐hop free operation and small linewidth guaranteed at the specified target wavelength for spectroscopic applications – these laser diodes are reaching the target wavelength by temperature tuning and allow wavelength tuning around this target wavelength.

External backreflections may disturb the spectrum of these laser diodes, so the use of butterfly (BFW01) or TOC03 packages and effective optical isolation is recommended for spectroscopic applications requiring absolutely mode‐hop‐free tuning. Finally, special tunable variants with integrated optical isolators are available, enabling a wide mode‐hop free tuning range given by the specified operating temperature range and the specified power range.

Key Features:

Single Frequency Mode
High Side Mode Suppression > 50 dB
Narrow Linewidth <1 MHz
Pulse Width 1 to 50 ns
Peak Power up to 500 mW
Repetition Rate up to 1 MHz
SMSR >35 dB

Product	Wavelength	Output Power	Specifics
DFB-0760-00012-1500-BFY12-0005	760 nm	12 mW	oxygen detection, spectroscopy, metrology
DFB-0760-00040-1500-BFW01-0005	760 nm	40 mW	oxygen detection with collimator
DFB-0760-00040-1500-TOV01-0005	760 nm	40 mW	oxygen detection VCSEL replacement
DFB-0760-00040-1500-TOC03-0005	760 nm	40 mW	oxygen detection
DFB-0780-00020-1500-BFY12-0005	780 nm	20 mW	oxygen detection,spectroscopy: Rb D2
DFB-0780-00040-1500-BFY02-0000	780 nm	40 mW	basic variant with PM fiber
DFB-0780-00040-1500-BFY02-0002	780 nm	40 mW	tunable with PM fiber
DFB-0780-00040-1500-BFW11-0005	780 nm	40 mW	spectroscopy: Rb D2 with isolator and collimator
DFB-0780-00080-1500-TOV01-0005	780 nm	80 mW	spectroscopy: Rb D2
DFB-0780-00080-1500-BFW01-0002	780 nm	80 mW	tunable with collimator
DFB-0780-00080-1500-BFW01-0005	780 nm	80 mW	spectroscopy: Rb D2 with collimator
DFB-0780-00080-1500-TOC03-0000	780 nm	80 mW	basic variant
DFB-0780-00080-1500-TOC03-0002	780 nm	80 mW	tunable
DFB-0780-00080-1500-TOC03-0005	780 nm	80 mW	spectroscopy: Rb D2
DFB-0785-00040-1500-BFY02-0000	785 nm	40 mW	basic variant with PM fiber
DFB-0785-00040-1500-BFY02-0002	785 nm	40 mW	tunable with PM fiber
DFB-0785-00100-1500-TOV01-0000	785 nm	100 mW	basic variant
DFB-0795-00015-1500-BFY12-0005	795 nm	15 mW	spectroscopy: Rb D1 line
DFB-0795-00040-1500-BFW11-0005	795 nm	40 mW	spectroscopy: Rb D1 with isolator and collimator
DFB-0795-00080-1500-BFW01-0005	795 nm	80 mW	spectroscopy: Rb D1 with collimator
DFB-0852-00015-1500-BFY12-0005	852 nm	15 mW	spectroscopy: Cs D2
DFB-0852-00050-1500-BFY02-0000	852 nm	50 mW	basic variant with PM fiber
DFB-0852-00050-1500-BFY02-0002	852 nm	50 mW	tunable with PM fiber
DFB-0852-00100-1500-BFW01-0002	852 nm	100 mW	tunable with collimator
DFB-0852-00100-1500-BFW01-0005	852 nm	100 mW	spectroscopy: CS D2 with collimator
DFB-0852-00150-1500-TOC03-0000	852 nm	150 mW	basic variant
DFB-0852-00150-1500-TOC03-0002	852 nm	150 mW	tunable
DFB-0852-00150-1500-TOC03-0005	852 nm	150 mW	spectroscopy: Cs D2
DFB-0895-00050-1500-TOV01-0005	895 nm	50 mW	spectroscopy: Cs D1
DFB-0935-00080-1500-TOC03-0004	935 nm	80 mW	spectroscopy: Yb
DFB-1030-00500-1500-BFY02-0010	1030 nm	500 mW	seed laser (pulsed mode) with PM fiber
DFB-1064-00025-1500-BFY12-0002	1064 nm	25 mW	tunable with isolator and PM fiber
DFB-1064-00040-1500-BFY02-0000	1064 nm	40 mW	basic variant with PM fiber
DFB-1064-00040-1500-BFY02-0002	1064 nm	40 mW	tunable with PM fiber
DFB-1064-00080-1500-TOC03-0000	1064 nm	80 mW	basic variant
DFB-1064-00080-1500-TOC03-0002	1064 nm	80 mW	tunable
DFB-1064-00500-1500-BFY02-0010	1064 nm	500 mW	seed laser (pulsed mode) with PM fiber
DFB-1083-00025-1500-BFY12-0002	1083 nm	25 mW	tunable with isolator and PM fiber
DFB-1083-00080-1500-TOC03-0002	1083 nm	80 mW

Applications: Interferometry, Laser Doppler Velocimetry and Vibrometry; Cold Atoms; Optically Pumped Atom Clocks; Quantum Optics; THz Generation, Raman Spectroscopy; Cs- ,Rb- , K- Spectroscopy; Seed Laser for LIDAR Systems

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.

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