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Supplier: KLASTECH GmbH
Description: Up until recently 442nm laser generation was exclusively provided by large, costly and cumbersome He-Cd gas lasers. These lasers provide good quality, low noise, single frequency laser light but are difficult to maintain and present considerable challenges in their design to maintain beam pointing
- Laser Wavelength: Blue
- Laser Power: 25 to 100 milliwatts
- Polarized Output: Yes
- Features: Internal Power Supply
Helium Cadmium (HeCd) Lasers - Small Frame Unpolarized Helium Cadmium Laser System -- 45 LRS 801-120
Description: CVI Melles Griot small-frame helium cadmium lasers, the world's most compact and rugged high-performance HeCd systems, are ideal sources for automatic optical inspection, biomedical fluorescence detection, confocal microscopy, wafer inspection, and a wide variety of other applications
- Laser Wavelength: Ultraviolet, Violet
- Laser Power: 2 to 10 milliwatts
- Beam Divergence: 0.1089 to 0.1490 degrees
- Laser Weight: 17 lbs
Helium Cadmium (HeCd) Lasers - Medium-Frame Unpolarized Helium Cadmium Laser System -- 45 MRM 303-230
Description: CVI Melles Griot medium-frame helium cadmium lasers are ideal sources for biomedical fluorescence detection, CD and DVD mastering, embossed holography, pattern generation, stereolithography, and a wide variety of other applications. These systems exhibit excellent pointing stability, mode quality
- Laser Wavelength: Ultraviolet
- Laser Power: 40 milliwatts
- Beam Divergence: 0.0802 degrees
- Height: 6.65 inch
Description: . The concluding chapters are composed of a survey of modern lasers, including: Semiconductor lasers Optically pumped solid-state lasers Ion, HeNe, and HeCd lasers Carbon dioxide lasers Excimer lasers (codiscovered by J. J. Ewing) Ultrafast and tunable lasers, OPOs Introduction to Laser Technology, ThirdShow More
Supplier: Newport Corporation
Description: or p-polarization at 0-45° angle of incidence. HeCd Laser Line Coatings Our RM.2 multilayer dielectric coating is optimized for the 325 nm HeCd laser line. Our DM.6 multilayer dielectric coating is optimized for the 441.6 nm HeCd laser line. They offer greater than 99% efficiency for s-polarization
- Mirror Types: Laser Mirror
- Wavelength Range: 325 to 1580 nm
- Diameter/Width: 0.5000 to 6 inch
- Mirror Shape: Round
Description: These beam expanders can be used with blue HeCd, argon-ion, krypton/argon-ion, Nd:YAG, and frequency-doubled Nd:YAG lasers.
- Wavelength: 1.67E-5 to 2.66E-5 inch
- Magnification: 6 X
- Aperture: 0.1559 inch
- Exit Aperture: 0.8661 inch
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A Modern Helium Cadmium Laser - The Evolution Of A Design
Particular emphasis is placed on design features introduced by LiCONiX, a developer and supplier of HeCd lasers for fifteen years.
Measurement of line profiles in a HeCd+ laser utilizing a diode laser probe
Measurement of line profiles in a HeCd laser utilising a diode laser probe .
Elastic Lightscattering Measurements Of Si-Surfaces
Two lasers, HeNe laser (632 nm) and HeCd laser (325 nm) are used alternatively.
160 Mpx/Sec Laser Pattern Generator For Mask And Reticle Production
system uses HeCd laser radiation with a wavelength of 441.6 nm to expose commercial photoresist (e.g.
Effect of laser light on n-GaAs photoetching
The etching of n-GaAs in aqueous solutions of hydroxides stimulated by HeNe and HeCd laser light was studied.
Challenges in the fabrication of fibre Bragg gratings in silica and polymer microstructured optical fibres
The inscription light was generated by a CW helium–cadmium ( HeCd ) laser with an output wavelength of 325 nm.
Fast quantitative determination of diuretic drugs in tablets and human urine by microchip electrophoresis with native fluorescence detection
The detection sensitivity of different excitation light sources was compared utilizing either a HeCd laser (λexc = 325 nm), a frequency quadrupled Nd:YAG laser (λexc = 266 nm), or a mercury lamp (λexc = 330–380 nm).
For example, the IL systems described in Chapters 3 and 4 using a HeCd laser at X=325 nm have demonstrated ~85 nm features.
Determination of carrier diffusion length in MOCVD‐grown GaN epilayers on sapphire by optical techniques
and a cw HeCd laser (λ = 325 nm, Iexc = 5 W/cm2 ).
Methods for the endoscopic photographic and visual detection of helium cadmium laser‐Induced fluorescence of photofrin II
Detection of HeCd Laser Induced Fluorescence .
Monitoring of drugs and metabolites in body fluids by capillary electrophoresis with XeHg lamp‐based and laser‐induced fluorescence detection
For each system, data obtained with LIF detection on com- mercial instrumentation featuring a pulsed 266 nm diode- pumped solid-state laser, a continuous-wave 325 nm HeCd laser or a continuous-wave 488 nm Ar-ion laser are also presented.
Optical Properties of the DIRC Fused Silica Cherenkov Radiator
Figure 12 shows the results of the scans with a HeCd laser (442 nm) and a HeNe laser (633 nm).
Fabrication Of Photoresist Masks For Submicrometer Surface Relief Gratings
Briefly, a HeCd laser beam is spatially filtered, expanded, and collimated.