Power stability, linewidth, beam quality

PGL-D8405 nm violet CW laser

405 nm

The PGL-D8 is a precision 405 nm CW laser delivering 1-50 mW output power, Near TEM00 beam quality. View technical specifications, download the datasheet, and request configuration options from Precisometer.

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Specifications

PGL-D8

12 specification rows

Wavelength	405 nm
Output / average power	1-50 mW
Beam / notes	Picture: Φ8*15 mm²
Operating mode	CW
Transverse mode	Near TEM00
Beam divergence, full angle (mrad)	<0.5
Expected lifetime (hours)	10000
Warranty (years)	1
Operating voltage(external PCB1)	6VDC
Connection	Cable with flying leads
Operating temperature	0°C to 40°C
Storage temperature	-20°C to 80°C
Humidity	<90%, non-condensing

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Model selection

Nearby series comparison

Compare PGL-D8 with the closest available models in the CW Lasers family.

Selection parameter	PGL-D8 (current)	MSL-T-405	MDL-C-405
Wavelength	405 nm	405 nm	405 nm
Optical power / pulse energy	1-50 mW	1~80 mW	1~50 mW
Operating mode / pulse width	CW	CW	CW
Beam quality	Near TEM00	<1.2	<1.5

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Choosing a laser

Guides that put this laser in context

Which specifications decide the experiment, and which ones cost money without changing the result.

Laser emission spectrum, intensity noise traces, and beam quality profiles illustrating the main laser specifications

13 min Spec lab

Laser specifications decoded

Linewidth, spectral width, RIN, M², and coherence length answer five different questions. Translate each into the units your experiment is designed in — and learn which ones not to pay for.

Low-noise laser head and controller of the type specified for optical trapping

Optical trapping

16 min 2 simulations

Choosing a laser for optical tweezers

Why wavelength is decided by photodamage, focal heating, and detector bandwidth rather than trapping force — and what laser noise costs you in piconewtons.

Fluorescently labeled cells in a sharp confocal focal plane

Confocal microscopy

14 min Design lab

Designing a confocal fluorescence excitation system

Connect fluorophores, pinhole size, Airy units, spatial sampling, scan timing, modulation, and power after the fiber in one practical design workflow.