680 nm Red Lasers

Red · CW, Fiber-coupled · Datasheets & quote request

680 nm Red Lasers

The 680 nm emission line operates in the Red region of the optical spectrum. Our portfolio includes configurations across CW Lasers, Fiber Lasers, supporting CW, Fiber-coupled operation. Compare power levels, linewidth, stability, and package dimensions below.

8 models2 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 665 nm 666 nm 669 nm 670 nm 671 nm 678 nm 679 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

8 models · 2 series

680 NM RED Diode Laser.

7 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
MLL-III-680	680 nm	1~1500 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-III-680-SM	680 nm	1~20 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
MDL-III-680R	680 nm	1~200 mW	<3%, <2%, <1%	–	~10 / ~20	<5	Conduction	10-35	PSU-III-FDA/PSU-III-LED/PSU-A-D/PSU-III-OEM	>10000	Round	Datasheet
MDL-III-680	680 nm	1~1500 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-III-680-SM	680 nm	1~20 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
FC-680	680 nm	1~2 W	–	–	–	–	–	–	–	–	–
MRL-680(FC)	680 nm	1~800 mW	–	–	–	–	–	–	–	–	–

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

1 model

Model	Wavelength	Output / average power	Power stability	M²	Fiber type	Fiber Core diameter	Fiber connector	Fiber length	Fiber jacket	Warm-up time (minutes)	Cooled method	Operating temperature (°C)	Operating voltage (VDC)	Expected lifetime (hours)
FC-OEM-680	680 nm	20 mW	<2%, <1%, <0.5%	1.1	SM fiber, PM fiber optional	4-9μm, 0.12NA	FC/PC, FC/APC optional	0.8m	0.9mm PVC	<5	Conduction	10-35	5V	>10000	Datasheet

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