785 Nm Laser For Raman Spectroscopy

Uv lasers are attractive for resonance raman spectroscopy on biomolecules such as proteins dna and rna.

785 nm laser for raman spectroscopy.

08 nldm 785 nm esp is 60 db as close as 0 3 nm away from the main peak. These 785nm diode lasers from frankfurt laser company are fiber coupled devices offered in a butterfly packaged wit integrated cooler thermistor and pd. Apps note imaging of ultrathin graphite with confocal raman imaging at 355nm imaging microscopy. The multi transverse mode laser has an output power of 400 mw with fully integrated electronics in a single compact package.

This maximizes your chances of producing spectra whose raman features are not masked. The narrowed linewidth low power consumption and broad stabilized temperature operating characteristics deliver affordable portable instrument quality performance. 785 nm laser benefits raman spectroscopy. 0 0002 nm at 785 nm with a wavelength stability better than 0 010 nm but are relatively low in power 50 to 100 mw.

Combined with a high resolution spectrometer they can be very valuable for high coherence raman spectroscopy to. By using a multiple laser system you can switch to a different excitation wavelength. However it is easily resolved when using 405 nm excitation. They are wavelength stabilized high power fiber coupled lasers designed specifically for raman applications.

785 nm 830 nm 980 nm 1064 nm. 457 nm 473 nm 488 nm 514 nm 532 nm 633 nm 660 nm. For example switching from a visible to a near infrared laser e g. Both 785 nm and 1064 nm raman systems were from wasatch photonics inc.

Apps note have i selected the right laser for raman. These volume bragg grating stabilized laser diodes offer a narrow linewidth high power solution for raman spectroscopy research and testing applications. Laser wavelengths ranging from ultra violet through visible to near infra red can be used for raman spectroscopy. Apps note lasers for raman using 405 nm narrow linewidth.

The 785 nm raman system 785l included a 785 nm laser innovative photonics solutions nj and an f 1 3 thermo cooled spectrometer integrated with a nir enhanced sensor hamamatsu s10420 1006 bridgewater nj. Apps note high perfor mance. For the green and near ir the raman signal is buried in fluorescence for 532 and 785 nm laser excitation. 244 nm 257 nm 325 nm 364 nm.

Photoluminescence pl is a strong effect that can mask raman information. 785 nm usually reduces pl. Over the past several years raman spectroscopy has become a popular tool for scientific research industrial development and process control in a wide variety of chemical pharmaceutical and bio medical applications. Apps note lasers for raman using 785 nm.

Thanks to a patent pending optical design the spectral purity of the 785 nm laser for raman. A gelatin based volume phase holographic. Typical examples include but are not limited to. Raman spectroscopy from ondax are butterfly packaged lasers.