665 nm Red Lasers

Red · CW, Pulsed · Datasheets & quote request

665 nm Red Lasers

The 665 nm emission line operates in the Red region of the optical spectrum. Our portfolio includes configurations across CW Lasers, Pulsed Lasers, Multi-wavelength Lasers, supporting CW, Pulsed operation. Compare power levels, linewidth, stability, and package dimensions below.

11 models3 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

Other Red lines in catalog (34)

Explore all 400+ wavelengths →

631 nm 633 nm 635 nm 637 nm 638 nm 639 nm 640 nm 642 nm 650 nm 655 nm 656 nm 656.5 nm 660 nm 666 nm 669 nm 670 nm 671 nm 678 nm 679 nm 680 nm 685 nm 689 nm 690 nm 698 nm

Popular benchmark wavelengths

266 nm 355 nm 405 nm 450 nm 488 nm 515 nm 520 nm 532 nm 561 nm 589 nm 633 nm 640 nm

11 models · 3 series

665nm RED Laser, RED Diode Laser |

8 models

Model	Wavelength	Output / average power	Power stability (rms, 4 hours ± 3°C)	Noise of amplitude (rms, 20Hz-20MHz)	Beam divergence, full angle (mrad)	Warm-up time (minutes)	Cooled method	Operating temperature (°C)	Power supply (100-240VAC)	Expected lifetime (hours)	Transverse mode	Polarization direction	Operating temperature (℃)
MLL-III-665	665 nm	1~800 mW	<2%, <1%, <0.5%	<1%, <0.5%	<3.0	<5	Conduction	10-35	PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM	>10000	–	–	–	Datasheet
MLL-H-665	665 nm	800~2000 mW	<2%, <1%, <0.5%	<1%, <0.5%	<3.0	<5	Air cooled	10-35	PSU-H-FDA/PSU-H-LED	>10000	Multimode	–	–	Datasheet
MDL-III-665	665 nm	1~800 mW	<2%, <1%, <0.5%	–	<3.0	<5	Conduction	10-35	PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM	>10000	Multimode	–	–	Datasheet
MDL-H-665	665 nm	800~2000 mW	<2%, <1%, <0.5%	–	<3.0	<5	Air cooled	10-35	PSU-H-FDA/PSU-H-LED	>10000	Multimode	–	–	Datasheet
MDL-MD-665	665 nm	1~1500 mW	<2%, <1%, <0.5%	–	~3.1×2.5 / ~2.5×2.5	<5	–	–	PSU-H-FDA/PSU-H-LED/PSU-N-LED	>10000	Multimode	Horizontal+ Vertical / Horizontal/ Vertical	25±3	Datasheet
MDL-HD-665	665 nm	1.5~3 W	<2%, <1%, <0.5%	–	~2.5×2.5	<5	–	–	PSU-N-FDA/PSU-N-LED	>10000	Multimode	Horizontal+ Vertical	25±3	Datasheet
MDL-XD-665	665 nm	3~4.5 W	<2%, <1%, <0.5%	–	<3.5×4.0	<5	–	–	PSU-N-FDA/PSU-N-LED	>10000	Multimode	Horizontal/ Vertical	10-35	Datasheet
MDL-NS-665	665 nm	1~180 mW	<2%, <1%, <0.5%	–	<3.0	<5	Air cooled	10-35	PSU-H-FDA/PSU-H-LED	>10000	Multimode	–	–	Datasheet

RGB Laser |

1 model

Model	Wavelength	Output / average power	Power stability	Fiber type	Fiber Core Diameter(μm)	Fiber Connector	Fiber jacket	Warm-up time (minutes)	Operating temperature (℃)	Expected lifetime (hours)	Warranty
FC-665/671/680-CH	665 nm	1.5/1/1 W	<1%	MM fiber	400/ 200	SMA905/ FC	PVC or metal jacket	<5	10~35	10000	1 year	Datasheet

665nm RED Laser, RED Diode Laser |

2 models

Model	Wavelength	Output / average power
FC-665	665 nm	1~3 W	Datasheet
MDL-665(FC)	665 nm	1~1600 mW

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