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SPECTRA OF VIOLET LASERS


This web page will be for nothing but spectra of lasers.
Ocean Optics USB2000 Spectrometer donated by P.L.
As of 10-10-07, I've been using a PC2000-ISA Spectrometer from Ocean Optics that I received several years ago, but that I didn't have a home for until now.
As of 03-08-08, I once again have the USB2000 spectrometer, enabling color spectra again.
As of 09-19-09, I no longer have the PC2000-ISA; it was sold to prevent an eviction.





LASERS (or "LAZERS" if you prefer):

Spectrographic analysis
Spectrographic analysis of the 5mW Violet Laser Module.
Wavelength appears to be ~407nm, which is within specification for the type of laser diode used in this laser.


Spectrographic analysis
Spectrographic analysis of the 5mW Violet Laser Module; but spectrometer's response narrowed to a band between 405nm and 415nm.
This shows that the wavelength is in fact 408.19nm.


Spectrographic analysis
Spectrographic analysis of the Blu-ray laser diode in the 5mW Violet Laser Module w/"Constellation" Lens.
Wavelength appears to be ~402nm, which is within specification for the type of laser diode used in this laser.


Spectrographic analysis
Spectrographic analysis of the Blu-ray laser diode in the 5mW Violet Laser Module w/"Constellation" Lens; spectrometer's response narrowed to a band between 400nm and 410nm.
This shows that the wavelength is in fact 403.45nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the 5mW Violet-Emitting Laser Module; though the spectrometer's response band was narrowed again to a range of 400nm to 410nm to pinpoint wavelength with even more accuracy.
Wavelength (peak value) appears to be 402.860nm (shorter than the initial measurement), which is well within specification for this laser diode.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the 5mW Violet-Emitting Laser Module.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the 5mW Violet-Emitting Laser Module; though the spectrometer's response band was narrowed to a range of 395nm to 415nm to pinpoint wavelength.
Wavelength (peak value) appears to be ~404.550nm, which is well within specification for this laser diode.


Spectrographic plot
Spectrographic analysis of the Handheld 412nm Blu-ray (Violet-Emitting) Laser.
Wavelength appears to be ~410nm, which is within specification for the type of laser diode used in this laser.


Spectrographic plot
Spectrographic analysis of the Handheld 412nm Blu-ray (Violet-Emitting) Laser; but spectrometer's response narrowed to a band between 410nm and 420nm.
This shows that the wavelength is in fact 412.85nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the Handheld Blue (violet-emitting) Laser Module.
Wavelength appears to be ~405nm, which is well within specification for the type of laser diode used in this laser.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the Handheld Blue (violet-emitting) Laser Module; but spectrometer's response narrowed to a band between 390nm and 420nm.
This shows that the wavelength is in fact 405.6nm - pretty much exactly where it ought to be!!!


Spectrographic plot
Spectrographic analysis of The Laser Box V2.1 (TLBV2.1) (Blu-ray Violet Laser); spectrometer's response narrowed to a range of 404.0nm to 407.0nm.
Peak wavelength appears to be 405.67nm.


Spectrographic plot
Spectrographic analysis of the Wicked Lasers Sonar Blu-ray Laser; spectrometer's response narrowed again to a range of 401.0nm to 404.5nm.
Peak wavelength appears to be 403.57nm this time.


Spectrographic plot
Spectrographic analysis of the Wicked Lasers Sonar Blu-ray Laser.
This is with the updated software & new settings.


Spectrographic plot
Spectrographic analysis of the Wicked Lasers Sonar Blu-ray Laser,
with spectrometer's response band limited to 400nm - 410nm.
Wavelength appears to be 403.95nm, and spectral line halfwidth appears to be ~2.2nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the Blu-ray (Violet-emitting) Laser Module.
Wavelength appears to be ~408nm, which is within specification for this laser diode.



Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the Blu-ray (Violet-emitting) Laser Module, above lasing threshold.
In this plot, the spectrometer's response band was narrowed to a range of 385nm to 435nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the Blu-ray (Violet-emitting) Laser Module, right at lasing threshold.



Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the Blu-ray (Violet-emitting) Laser Module, right at lasing threshold.
In this plot, the spectrometer's response band was narrowed to a range of 385nm to 435nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the Blu-ray (Violet-emitting) Laser Module, above lasing threshold.
In this plot, the spectrometer's response band was narrowed to a range of 405nm to 415nm.
Spectral line halfwidth appears to be ~2.4nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the The Laser Box V2.1 (TLBV2.1) (Blu-ray Violet Laser).
Wavelength (peak value) appears to be ~407.5nm, which is within specification for this laser diode.


Spectrographic plot
Same as above; though the spectrometer's response band was narrowed to a range of 395nm to 415nm.
Spectral line halfwidth appears to be 1.65nm.


Spectrographic plot
Same as above; though the color was stripped.

All three spectrographic analyses above had their baselines (trendlines) artifically lowered
with Photoshop so that the true spectra are more accurately represented on this web page.


Spectrographic plot
Spectrographic analysis of the The Laser Box V2 (TLBV2) (Blu-ray Violet Laser).
Trendline (baseline) was lowered with Photoshop.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the The Laser Box V2 (TLBV2) (Blu-ray Violet Laser) (the replacement unit); though the spectrometer's response band was narrowed to a range of 400nm to 408nm, and the color was turned off.
Spectral line halfwidth appears to be 1.9nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray laser diode in the The Laser Box V2 (TLBV2) (Blu-ray Violet Laser) (the replacement unit).
Wavelength (peak value) appears to be ~404.6nm, which is within specification for this laser diode.


Spectrographic plot
Same as above (the replacement unit); though the spectrometer's
response band was narrowed to a range of 400nm to 410nm.
Spectral line halfwidth appears to be 1.9nm.


Spectrographic plot
Spectrographic analysis of the The Laser Box V2 (TLBV2) (Blu-ray Violet Laser);
though the spectrometer's response band was narrowed to a range of 385nm to 435nm.



Spectrographic plot
Spectrographic analysis of the The Laser Box V2 (TLBV2) (Blu-ray Violet Laser).
Spectrometer's response was widened to show this laser has a narrow emission line - as it should.


Spectrographic plot
Spectrographic analysis of the The Laser Box V2 (TLBV2) (Blu-ray Violet Laser).


Spectrographic plot
Same as above, but with spectrometer's response narrowed to a range of 385nm to 435nm.


Spectrographic plot
Spectrographic analysis of a Blu-ray (Violet-Emitting) Laser Module (replacement, not original).
Spectrometer response was narrowed to 400nm to 415nm for this spectrum.


Spectrographic plot
Spectrographic analysis of the Wicked Lasers Sonar Blu-ray Laser under lasing threshold, with spectrometer's response band limited to 390nm - 410nm.


Spectrographic plot
Spectrographic analysis of the Wicked Lasers Sonar Blu-ray Laser.


Spectrographic plot
Spectrographic analysis of the Wicked Lasers Sonar Blu-ray Laser, with spectrometer's response band limited to 400nm - 410nm.
Wavelength appears to be ~404.6nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray (Violet-Emitting) Laser Module, above lasing threshold.
In this plot, the spectrometer's response band was narrowed to a range of 405nm to 415nm.
Spectral line halfwidth appears to be ~2.4nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray (Violet-Emitting) Laser Module, above lasing threshold.
In this plot, the spectrometer's response was narrowed to a range of 385nm to 435nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray (Violet-Emitting) Laser Module, just under lasing threshold.
In this plot, the spectrometer's response was narrowed to a range of 385nm to 435nm.


Spectrographic plot
Spectrographic analysis of the Blu-ray (Violet-Emitting) Laser Module, just under lasing threshold.


Spectrographic plot
Spectrographic analysis of the Blu-ray (Violet-Emitting) Laser Module.
















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