The development of narrow linewidth, highpower dfb diode lasers becomes a more and more challenging task in terms of laser design and fabrication technology as the emission wavelength is shifted from 780 nm towards shorter wavelength. Oewaves oe4078 770810 nm narrow linewidth laser module houses a proprietary driver controller and the oewaves laser source which is based on a high quality factor q whispering gallery mode wgm microresonator. Recent years have shown the importance of tunable semiconductor lasers in optical sensing. Mar 24, 2010 recent years have shown the importance of tunable semiconductor lasers in optical sensing. The photodigm 780 nm dbr laser diode provides a diffraction limited, single lateral and longitudinal mode beam for rb d2 applications. Ldidt, driver for telecomdatacom applications using fp dfb lasers at. Lp780sad15 dfb laser diode mounted in the ldm9lp pigtailed laser diode mount. Tuning a dfb laser diode with temperature my laser spectrum. Rubidium spectroscopy at 778 780 nm with a distributed. Dfb laser diode driver and tec controller from sacher. Deninger, et al rubidium spectroscopy at 778780 nm 01020304050 775 780 785 wavelength nm spectral density db 41 db t 30. Applications include spectroscopy, thz generation and rb. The laser is scalable to a variety of wavelengths in the near ir, that makes it an ideal tool for quantum optics applications.
These dfb lasers from eagleyard photonics are single frequency lasers with 80mw of output power. Theses laser drivers are managed by a 16 bit ucontroller with internal flash memory. Innolume high power laser diodes, optical amplifiers, gain. This laser is built on eblanas discrete mode technology platform and delivers stable, precise lasing performance at 1653. Distributed feedback dfb lasers are commonly used as tunable lasers over a range of a few nanometers. Builtin monitor photodiode, thermoelectric cooler and thermistor. The 780 nm fiber laser emits higher power as much as 15 w with narrower linewidth lorentz linewidth less than 1 khz and excellent beam quality m2 780. All of our plds are developed and manufactured at our laser components production facility in canada.
Laserscom pigtailed laser diode, led, photodiode and. Dfb singlefrequency laser diode, pigtailed to can thorlabs, inc. Customerspecific requests can, therefore, easily be accommodated. The qfld780100s from qphotonics is a laser diode with wavelength 776. Dfb lasers, fused fibre components, solid state chillers, quantum. Wavelength is 780 nm, output power is 20 mw, fp laser diode, fibercoupled, and more. Description the module is equipped with an sm fiber. We describe the status quo concerning dfb laser diodes between 760 nm and 3,000 nm as well as new developments aiming for up to 80 nm tuning range in this spectral region. They are available for individual wavelengths between 190 nm and 4000 nm, and deliver narrowlinewidth emission that is tunable in some systems up to 120 nm wide without a single modehop. Singlemode dfb laser diodes have a broad wavelength spectrum of 680nm3270nm, with a narrow linewidth driver. Laserscom pigtailed laser diode, led, photodiode and hybrid. The diodes were mounted into a coldpack housing 7, a to3 style package with integrated thermistor and four thermoelectric coolers. Spie dss 20 final submitted 42520x, unmounted diode laser bars.
Any customized wavelength from the 78030 nm range is possible. The goal of this new product was to offer a product that could operate at higher power and with better reliability than the dfb, while at the same time offering a production pathway that. Single mode or polarizationmaintaining optical fiber pigtail. Do not use a voltage supply with a current limiting resistor since it does not provide sufficient regulation to protect the laser. Single frequency laser diodes like dfb lasers dbr lasers. Interfacing maxim laser drivers with laser diodes i. Thus they operate on a single resonator mode emitting quasimonochromatic radiation with a very small linewidth and low phase noise. August 26, 2014 gainchip at 980 nm wavelength and output power more than 300 mw is announced. Dfb diode lasers for precision spectroscopy of potassium. This application note is intended to briefly address this topic with the goal of providing a useful reference for optical system. Spectroscopy with hermetic 14pin butterfly housing rohs compliant. The effects of the coupling coefficient, the laser chip length, and the fabrication process onto the spectral linewidth are discussed. The l780p010 from thorlabs inc is a laser diode with wavelength 780 nm, output power 0.
Metrology including monitor diode, thermoelectric cooler and. Laser diodes, 600nm795nm and 760nm all leading brands. Rubidium spectroscopy at 778780 nm with a distributed. High power 780nm for laser cooling and manipulation of rb. Innolume runs full vertically integrated fab which allows fast turn.
The main focus when designing these drivers was to give the customer a very low noise laser current source. Select a laser driver appropriate for your application. Ld78010a 780nm 10mw laser diode features wavelength 780 nm typ. The qfld 780 100s from qphotonics is a laser diode with wavelength 776. Innolume is the premier manufacturer of gaasbased laser diodes covering 780nm40nm spectral window. New laser diode driver is available for all innolume sm fiber coupled devices. Lp780 sad15 dfb laser diode mounted in the ldm9lp pigtailed laser diode mount. Innolume high power laser diodes, optical amplifiers. These 780nm laser diode packages are ideal for oem applications, and 780nm laser modules are available for. Tunable singlefrequency diode lasers utilize a laser diode and a frequency selective element like a grating for laser frequency selection and tuning. Spie dss 20 final submitted 42520x data of a typical 780nm diode laser bar operating at 100w, cw, output power, bonded on microchannel cooler as well as a wavelengthlocked singlebar and multibar stack. However, over this tuning range, the dfb can achieve singlefrequency operation, which means that this is a continuous tuning range without mode hops. The bend loss at 780 nm 100 turns, mm radius is ldi780fp20 has the following features.
Laser diodes gh07885d2c gh07885d2c high power laser diode for 12 s s speed cdr, view of emission point x emission point q e non connection y laser diode 00. News innolume high power laser diodes, optical amplifiers. Pigtailed, distributed feedback dfb singlefrequency lasers. Shown is the change of the emission wavelength while the diode was cooled from 30c to. Mar 17, 2016 tuning a dfb laser diode with temperature march 17, 2016 by christophe bonneville. Dfb diode lasers for precision spectroscopy of potassium 767 nm. Photodigm introduced its product line based on its single epi growth dbr architecture in 2007, directly competing with dfb lasers in the 780 to 1083 nm band. The laser tech is promoting the products manufactured by the eblana photonics limited in dublin, ireland. Optimization of 780 nm dfb diode lasers for highpower. We demonstrate the realization of narrow linewidth, highpower ridge waveguide dfb diode lasers emitting near 780 nm. Combination of wavelength coverage with quantum dots technology and advanced chip design enables a number of novel industrial, medical, and communications applications.
The photodigm 780 nm dbr laser diode provides a diffraction limited, single lateral and longitudinal mode beam for rb d2 applications 780 nm laser diode. It has a low threshold current and high slope efficiency, which results in a low operating current which enhances reliability. This is generally achieved by adjusting the temperature of the chip, thanks to a driver that can also monitor the current flowing through the dfb. Dfb fiber laser at 1560 nm, and a singlepass frequency doubling unit with periodically poled nonlinear crystal, which converts the laser to 780 nm in stable single pass configuration. The pilotpc laser driver from sacher lasertechnik is a highly precise laser diode controller which has been optimized for dfb laser diodes. Pulsed laser diodes plds are available in the wavelengths 850 nm, 905 nm and 1550 nm. Singlefrequency laser with distributedfeedback diode. These devices are centered at 780 nm and are offered in a hermetically sealed butterfly package with collimated lensed output. Dfb lasers dbr lasers rws lasers single frequency laser diodes have a wavelengthselective grating integrated in the laser chip.
Eblana photonics ltd is a leading manufacturer of laser diodes, laser gas sensors, methane gas laser detectors and a major oem supplier. Laser diode driver with temperature controller and mount, qcombo6305. Pigtailed, distributed feedback dfb singlefrequency. New gainchip at 780 nm with output power 100mw is announced. These units are popular for labs, diode or semiconductor lasers, lowlight ccd. The lasers can have very lowintensity noise because of the lack of mode partition noise. Innolume high temperature dfb laser became a finalist of prism awards. These devices are centered at 780 nm and are offered in a hermetically sealed to3 package housing.