The RHL785 Raman Laser is a tunable laser source with a center wavelength of 785nm and adjustable output power from 0 to 500mW. It is developed based on external cavity volume grating technology, designed specifically for Raman spectroscopy applications. The laser provides narrow linewidth, stable spectrum, and steady output power, ensuring high stability and precision required for Raman measurements.
Raman spectrum of lean and fatty pork samples
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Specification
Name Software-Controlled Laser Manual-Controlled Laser Appearance 
Model RHL785-50US RHL785-50UF RHL785-50HS RHL785-50HF Output interface SMA FC SMA FC Dimensions 73×73×46mm 191×149×60 mm Weight 356g 2kg Supply voltage 5V/4A 12V/2A Central wavelength 785 ±0.5nm Spectral linewidth ＜0.08 nm Laser power 0~500mW (adjustable) Power stability ＜3% P-P (2hrs) Dark noise <1% RMS @100 ms Wavelength stability <0.1 nm @0–40℃ Lifetime 10,000 hrs Operating temperature 0～40℃ Operating humidity 5～80%
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Dimensional drawing
RHL785 Software-Controlled Laser
RHL785 Manual-Controlled Laser
RHL785 Manual-Controlled Laser
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Stability test
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Application
Food Inspection
Provides an efficient and sensitive analytical method for food safety and quality control.
It enables non-destructive detection of food components, identification of adulterants, freshness evaluation, and harmful substance monitoring — ensuring consumer health and food industry integrity.
Applications include food safety testing, quality control, component analysis, adulteration identification, packaging evaluation, and food traceability.
Provides an efficient and sensitive analytical method for food safety and quality control.
It enables non-destructive detection of food components, identification of adulterants, freshness evaluation, and harmful substance monitoring — ensuring consumer health and food industry integrity.
Applications include food safety testing, quality control, component analysis, adulteration identification, packaging evaluation, and food traceability.
Raman spectrum of lean and fatty pork samples
Environmental Monitoring
Enables efficient and sensitive detection of pollutants in water, soil, and air.
It can trace heavy metals, assess pesticide residues, monitor greenhouse gas emissions, and identify or quantify environmental contaminants — providing scientific support for environmental protection and pollution management.
Applications include water analysis, air quality assessment, soil contamination detection, greenhouse gas measurement, environmental disaster response, and ecological/agricultural monitoring.
Enables efficient and sensitive detection of pollutants in water, soil, and air.
It can trace heavy metals, assess pesticide residues, monitor greenhouse gas emissions, and identify or quantify environmental contaminants — providing scientific support for environmental protection and pollution management.
Applications include water analysis, air quality assessment, soil contamination detection, greenhouse gas measurement, environmental disaster response, and ecological/agricultural monitoring.
Raman spectrum of wastewater sample