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637 nm Red Lasers

Red · CW, Single-Frequency, Pulsed, Fiber-coupled · Datasheets & quote request

637 nm Red Lasers

The 637 nm emission line operates in the Red region of the optical spectrum. Our portfolio includes configurations across CW Lasers, Single-Frequency Lasers, Fiber Lasers, Pulsed Lasers, supporting CW, Single-Frequency, Pulsed, Fiber-coupled operation. Compare power levels, linewidth, stability, and package dimensions below.

34 models8 seriesquote after qualification

Key applications

  • Precision interferometry and optical alignment (He-Ne equivalent)
  • Raman spectroscopy (fluorescence suppression)
  • Deep-tissue fluorescence imaging (Cy5, Alexa Fluor 647)
  • Photodynamic therapy (PDT) and biophotonics
  • Optical tweezers and particle trapping

34 models · 8 series

637 NM RED Diode Laser |

23 models
ModelWavelengthOutput / average powerPower stabilityOptical noiseOutput powerPower stability (rms, 4 hours ± 3°C)Transverse modeNoise of amplitude (rms, 20Hz-20MHz)M2Beam divergence, full angle (mrad)Warm-up time (minutes)Cooled methodOperating temperature (°C)Power supply (100-240VAC)Expected lifetime (hours)monitoring,Operating temperature (℃)Operating voltage (VDC)Modulation optionPolarization directionPower stability(rms, over 4 hours)Warm-up timeWarranty (years)Operating voltage(PSU-II-OEM)ConnectionOperating temperatureStorage temperatureHumidityDimensions of laser headSpectral line width (nm)Fiber core diameterFiber connectorNoise of amplitude (rms, 1~20MHz)WarrantyBeam divergence (mrad)Laser operation modeModulation optionalStorage temperature (°C)Humidity (%)Weight (g)
Long Coherence Length637 nm1-50 mW––––––––––––––––––––––––––––––––––––––
TUN-628~637637 nmWavelength tunable––––––––––––––––––––––––––––––––––––––Datasheet
TUN-6 34~643637 nmWavelength tunable––––––––––––––––––––––––––––––––––––––Datasheet
Low Noise637 nm1-100 mW––––––––––––––––––––––––––––––––––––––
MLL-III-637637 nm–––1-200<2%, <1%, <0.5%Near TEM00<1%, <0.5%<1.5 / <1.2<1.0<5Conduction10-35PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM>10000–––––––––––––––––––––––––Datasheet
MLL-III-637-SM637 nm1-100 mW<0.5%<1%––Near TEM00–<1.5 / <1.2<1.0<5Conduction10-35PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM>10000–––––––––––––––––––––––––Datasheet
High Stability637 nm1-100 mW––––––––––––––––––––––––––––––––––––––
TEM-FN-637637 nm1-180 mW–––<2%, <1%, <0.5%TEM00–<1.1<1.5<5–25±3PSU-III-FDA/PSU-III-LED>10000–––––––––––––––––––––––––Datasheet
MDL-XS-637637 nmIntegrated electronics–––<2%, <1%, <0.5%Near TEM00<1%, <0.5%<1.2<1.0<5–––>10000inspection10-3512V/4AAMOD (Analog) DC-100kHz–––––––––––––––––––––Datasheet
MDL-III-637637 nm1-200 mW<0.5%–––––<1.5 / <1.2<1.0<5Conduction10-35PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM>10000–––––––––––––––––––––––––Datasheet
MDL-MD-637637 nm–––1-2000<2%, <1%, <0.5%Multimode––<2.0×2.0<5––PSU-H-FDA/PSU-H-LED/PSU-N-LED>10000–25±3––Horizontal/ Vertical––––––––––––––––––––Datasheet
MDL -HD- 637637 nm–––––––––––––––––––––––––––––––––––––––Datasheet
OEM Laser Module637 nm1-100 mW––––––––––––––––––––––––––––––––––––––
PGL/MDL-L series637 nmLine beam––––Near TEM00––<0.5––––10000–––––<5%, <3%, <1%minutes / <1017V / (TTL30kHz or Analog 0-5V,optional)Cable with flying leads-10°C to 50°C-20°C to 80°C< 90%, non-condensing77(L)×30(W)×30(H)mm3–––––––––––Datasheet
PGL-V-FC-637637 nmFiber coupled––––––––––––––––––––––––––––––––––––––
PGL-VI-FC-637637 nmFiber coupled––––––––––––––––––––––––––––––––––––––
PGL Series637 nmCompact laser module––––––––––––––––––––––––––––––––––––––
Narrow Linewidth637 nm1-50 mW––––––––––––––––––––––––––––––––––––––
MDL-III-637-SM637 nmSM Fiber output laser–––<2%, <1%, <0.5%––<1.5 / <1.2<1.0<5Conduction10-35PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM>10000–––––––––––––––––––––––––Datasheet
Nanosecond Pulsed637 nm1-200 mW––––––––––––––––––––––––––––––––––––––
Picosecond Pulsed637 nm1-50 mW––––––––––––––––––––––––––––––––––––––
FC-D-637637 nm1-200 mW<3%, <2%, <1%–––––––<5–––10000–20~30––––––––––––0.1 (0.06, optional)100µm, 0.22 NASMA905<1%1 year––––––Datasheet
PGL-LF-637637 nm1-130 mW––––––––––-10°C to +45°C–––––––––––Cable with flying leads–––––––––<1.5CWTTL 30kHz or analog (0-3V or 0-5V)-20°C to +80°C< 90 %, non-condensing45gDatasheet

Ultra Compact OEM Laser,405 NM 1319 NM OEM Laser |

1 model
ModelWavelengthOutput / average powerPower stabilityM²Fiber typeFiber Core diameterFiber connectorFiber lengthFiber jacketWarm-up time (minutes)Cooled methodOperating temperature (°C)Operating voltage (VDC)Expected lifetime (hours)
FC-OEM-637637 nm100 mW<2%, <1%, <0.5%1.1SM fiber, PM fiber optional4-9μm, 0.12NAFC/PC, FC/APC optional0.8m0.9mm PVC<5Conduction10-355V>10000Datasheet

Long Coherence Length MDL C Series Diode Lasers |

1 model
ModelWavelengthOutput / average powerPower stabilityM²Transverse modeWarm-up time (minutes)Cooled methodOperating temperature (°C)Power supply (100-240VAC)Expected lifetime (hours)
MDL-C-637637 nm1~50 mW<3%, <2%, <1%<1.5Near TEM00<5Conduction20-30PSU-A-D>10000Datasheet

Ultra Narrow Linewidth MDL E Series Diode Lasers |

1 model
ModelWavelengthOutput / average powerSpectral linewidthPower stabilityOptical noiseM²Transverse modeWarm-up time (minutes)Cooled methodOperating temperature (°C)Power supply (100-240VAC)Expected lifetime (hours)
MDL-E-637637 nm1~50 mW<0.06 nm, <0.03<3%, <2%, <1%~1%<1.5Near TEM00<5Conduction20-30PSU-A-D>10000Datasheet

Nanosecond Pulse Diode Laser |

1 model
ModelWavelengthOutput / average powerPower stabilityM²Pulse width (FWHM)Transverse modeBeam divergence, full angle (mrad)Rep.Modulation Depth (extinction ratio)Warm-up time (minutes)Cooled methodOperating temperature (℃)Operating voltage (VDC)Expected lifetime (hours)
MDL-NS-637637 nm1-200 mW<2%, <1%, <0.5%<1.210ns-10ms / 10ns-10msNear TEM00<1.0DC-40MHz / DC-25MHz>1000000:1<5Conduction10-3512V/3.34A>10000Datasheet

Picosecond Diode Laser |

1 model
ModelWavelengthOutput / average powerRepetition ratePower stabilityPulse width (ps)Transverse modeBeam divergence, full angle (mrad)Warm-up time (minutes)Cooled methodOperating temperature (℃)Operating voltage (VDC)Expected lifetime (hours)
MDL-PS-637637 nm1~50 mW0.1~80 MHz<3%, <2%, <1%100-1000Near TEM00~1.0<5Air cooled10-3512V/3.34A>10000Datasheet

TEMoo Mode Diode Laser |

2 models
ModelWavelengthOutput / average powerPower stabilityM²Transverse modeM2Beam divergence, full angle (mrad)Warm-up time (minutes)Operating temperature (°C)Power supply (100-240VAC)Expected lifetime (hours)Noise of amplitude (rms, 20Hz-20MHz)
TEM-F-637637 nm1~100 mW<2%, <1%, <0.5%–TEM00<1.1<1.5<525±3PSU-III-FDA/PSU-III-LED/PSU-A-D>10000–Datasheet
TEM-LN-637637 nm1~100 mW<2%, <1%, <0.5%<1.1TEM00–<1.5<525±3PSU-III-FDA/PSU-III-LED/PSU-A-D>10000<1%, <0.5%Datasheet

637 NM RED Diode Laser |

4 models
ModelWavelengthOutput / average powerPower stability (rms, over 4 hours)Fiber NAFiber ConnectorFiber Length (m)Warm-up time (minutes)Operating temperature (℃)Cooling wayExpected lifetime (hours)WarrantyFiber Core Diameter (um)Fiber lengthsFiber JacketPower stability (rms, 4 hours±3℃)Operating voltage (VAC)
FC-637637 nm1 mW~3 W<1%, <2%, <3%, <5%0.22SMA9051 (Other lengths are available on request)<510~35By air100001 year–––––Datasheet
FC-W-637637 nm3~40 W––SMA905, FC optional–<50-30–>10000–200, 400, 600, 0.22NA1mPVC, Metal optional<2%, <1%, <0.5%100-240Datasheet
MRL-637(FC)637 nm1~4000 mW––––––––––––––
MRL-637(Line)637 nm1~200 mW––––––––––––––

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