1651 nm & 1654 nm Distributed Feedback Laser (TOP Wavelength)

nanoplus Nanosystems and Technologies GmbH Products DFB Laser 1651 & 1654 nm

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Distributed Feedback Laser

1651 nm & 1654 nm
TOP Wavelength

DFB laser diodes at 1651 nm and 1654 nm are used for methane detection. Please have a look at the key features, specifications and applications.

Specifications

Mountings & Accessories

Applications

Papers & Links

Specifications

parameters	symbol	unit	minimum	typical	maximum
parameters operating wavelength (at T_op, I_op)	symbol λop	unit nm	minimum	typical 1651 nm & 1654 nm	maximum
parameters optical output power (at λ_op)	symbol P_op	unit mW	minimum	typical 8	maximum
parameters operating current	symbol I_op	unit mA	minimum	typical 70	maximum
parameters operating voltage	symbol V_op	unit V	minimum	typical 2	maximum
parameters threshold current	symbol I_th	unit mA	minimum 10	typical 20	maximum 30
parameters side mode suppression ratio	symbol SMSR	unit dB	minimum	typical > 35	maximum
parameters current tuning coefficient	symbol C_I	unit nm / mA	minimum 0.008	typical 0.012	maximum 0.015
parameters temperature tuning coefficient	symbol C_T	unit nm / K	minimum 0.10	typical 0.11	maximum 0.14
parameters operating chip temperature	symbol T_op	unit °C	minimum +20	typical +25	maximum +45
parameters operating case temperature (non-condensing)	symbol T_C	unit °C	minimum -20	typical +25	maximum +55
parameters storage temperature (non-condensing)	symbol T_S	unit °C	minimum -40	typical +20	maximum +80

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Mountings & Accessories

TO56 - the absolute basic

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availability: 760 nm - 3000 nm
TEC: no TEC
NTC: no NTC
cap: uncoated cap (optional)

window: uncoated window (optional)
plug&play: collimation required
size: small footprint
costs: low cost

TO5 - our workhorse

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availability: 760 nm - 3000 nm
TEC: integrated TEC
NTC: integrated NTC
cap: AR coated cap (optional)

window: AR coated window (optional)
plug&play: collimation required
size: small footprint
costs: low cost

c-mount - basic OEM integration

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availability: 760 nm - 3000 nm
TEC: no TEC
NTC: no NTC
cap: NA

window: NA
plug&play: collimation required
size: low cost

SM-BTF - our fiber-coupled workhorse

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availability: 760 nm - 2360 nm
TEC: integrated TEC
NTC: integrated NTC

plug&play: fiber-coupled beam
size: large footprint
costs: higher cost than free space

PM-BTF - high-end fiber coupling

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availability: 1064 nm - 2050 nm
TEC: integrated TEC
NTC: integrated NTC

plug&play: fiber-coupled beam
size: large footprint
costs: higher costs than free space

chip on heatspreader - high-end OEM integration

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availability: 760 nm - 6000 nm
TEC: no TEC
NTC: integrated NTC
cap: NA

window: NA
plug&play: collimation required
size: smallest footprint
costs: low cost

Heatsink for TO5 / TO66

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availability: 760 nm - 6500 nm
NTC: integrated (optional)
heat distribution: warranted
connectors: for laser diode driver & temperature controller
posts: M6 thread for optical table

cage system: standard
collimation: none

Heatsink for TO5 with collimation

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availability: 760 nm - 1850 nm
heat distribution: warranted
connectors: for laser diode driver & temperature controller
posts: M6 thread for optical table

cage system: standard
collimation: collimation with up to 40 % power loss

Applications

CH₄

Emission control of greenhouse gases: CH₄

Greenhouse gas effects and climate change have triggered global emission monitoring of pollutants like methane. Methane is one of the Earth’s most important atmospheric gases. It is, to a large extend, responsible for the accelerating greenhouse effect. The global warming potential of methane is about 30 times higher than that of CO₂ based on a 100 year scale. Studies are executed on behalf of the US Environmental Protection Agency to quantify the methane emissions caused by the increased natural gas exploration and production in the US.

[ 189 , 188 , 187 , 178 , 176 , 162 , 146 , 142 , 141 , 129 , 128 , 119 , 109 , 107 , 92 , 61 ]

CH₄

Leakage control in gas pipelines: CH₄

Leaks of CH₄ may cause dangerous situations and are hard to locate precisely. Hence, maintenance of underground pipelines produces high costs. CH₄ leaks are also an important source for greenhouse gases. With TDLAS a strong tool is available to manufacture portable leak detectors.

[ 162 ]

CH₄

Combustion control in integrated gasification fuel cell cycles: CH₄

Methane content of syngas is controlled to improve combustion efficiency of integrated gasification fuel cell cycles.

[ 35 ]

CO₂ & CH₄

Combustion control in high temperature processes: CO₂ and CH₄

Continuous monitoring of contents like CO₂ or CH₄ concentrations is essential for the efficiency of high-temperature processes in e. g. incinerators, furnaces or petrochemical refineries. Managing the CO₂ content in combustion processes simultaneously reduces greenhouse gas emissions. This is also relevant for energy generating industries like coal burning power plants.

[ 154 , 124 , 121 , 115 , 112 , 111 , 96 , 94 , 62 , 45 , 40 , 35 , 12 ]

Papers & Links

# 5 DFB lasers exceeding 3 µm for industrial applications

L. Naehle, L. Hildebrandt, Laser+Photonics, 2012, pp. 78-80,

# 7 DFB laser diodes expand hydrocarbon sensing beyond 3 µm

L. Hildebrandt, L. Naehle, Laser Focus World, January 2012, pp. 87-90,

# 9 DFB Lasers Between 760 nm and 16 µm for Sensing Applications

W. Zeller, L. Naehle, P. Fuchs, F. Gerschuetz, L. Hildebrandt, J. Koeth , Sensors, 10, 2010, pp. 2492-2510,

# 13 Continuous-wave operation of type-I quantum well DFB laser diodes emitting in 3.4 µm wavelength range around room temperature

L. Naehle, S. Belahsene, M. von Edlinger, M. Fischer, G. Boissier, P. Grech, G. Narcy, A. Vicet, Y. Rouillard, J. Koeth and L. Worschech , Electron. Lett. 47, 1, Januar 2011, pp. 46-47.,

# 19 Measurements of Mars Methane at Gale Crater by the SAM Tunable Laser Spectrometer on the Curiosity Rover

C.R. Webster, P.R. Mahaffy, S.K. Atreya, G.J. Flesch, K.A. Farley, 44th Lunar and Planetary Science Conference,, LPI Contribution No. 1719, March 18-22 2013, p. 1366.,

# 29 Detection of Methane Isotopologues – cw-OPO vs. DFB Diode Laser

M. Wolff, S. Rhein, H. Bruhns, J. Koeth, L. Hildebrandt, P. Fuchs, 16th International Conference on Photoacoustic and Photothermal Phenomena.,

# 35 TDLAS-based sensors for in situ measurement of syngas composition in a pressurized, oxygen-blown, entrained flow coal gasifier

R. Sur, K. Sun, J.B. Jeffries, R.K. Hanson, R.J. Pummill, T. Waind, D.R. Wagner, K.J. Whitty, 2014, Appl. Phys. B, 116, 1, 2014, pp. 33-42,

# 50 Mid-IR difference frequency laser-based sensors for ambient CH₄, CO, and N₂O monitoring;

J. J. Scherer, J. B. Paul, H. J. Jost, Marc L. Fischer, Appl. Phys. B, 109, 3, November 2017, pp. 271-277.,

# 61 Demonstration of an Ethane Spectrometer for Methane Source Identification

T.I. Yacovitch, S.C. Herndon, J.R. Roscioli, C. Floerchinger, R.M. McGovern, M. Agnese, G. Petron, J. Kofler, C. Sweeney, A. Karion, S.A. Conley, E.A. Kort, L. Naehle, M. Fischer, L. Hildebrandt,.J. Koeth, J.B. McManus, D.D. Nelson, M.S. Zahniser, C.E. Kolb, Environ. Sci. Technol., 48, 2014, 8028-8034.,

# 62 High-sensitivity interference-free diagnostic for measurement of methane in shock tubes

R. Sur, S. Wang, K. Sun, D. F. Davidson, J. B. Jeffries, R. K. Hanson, Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 156, May 2015, pp. 80-87,

# 63 Breath Analysis Using Laser Spectroscopic Techniques: Breath Biomarkers, Spectral Fingerprints, and Detection Limits

C. Wang and P. Sahay, Sensors, 9, 2009, 8230 - 8262,

Optical properties

nanoplus distributed feedback lasers show outstanding spectral, tuning and electrical properties.

Spectrum 1651 nm DFB

Typical spectrum of a nanoplus 1651 nm distributed feedback laser diode

Tuning 1651 nm DFB

Typical mode hop free tuning of a nanoplus 1651 nm distributed feedback laser diode

PI Curve 1651 nm DFB

Typical power, current and voltage characteristics of a nanoplus 1651 nm distributed feedback laser diode

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Product Brief

More information

nanoplus uses a unique and patented technology for DFB laser manufacturing. We apply a lateral metal grating along the ridge waveguide, which is independent of the material system. Read more about our patented distributed feedback technology.

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1651 nm & 1654 nmTOP Wavelength

Distributed Feedback Laser

1651 nm & 1654 nmTOP Wavelength

Optical properties

Product Brief

Your Requirement

1651 nm & 1654 nm
TOP Wavelength

1651 nm & 1654 nm
TOP Wavelength