question: What type of laser is used in Raman spectroscopy ?
answer: 671 nm diode-pumped solid state ( DPSS ) lasers
turker_answer: A 671 nm diode-pumped solid state ( DPSS ) laser is used in Raman spectroscopy .
rule-based: 671 nm diode-pumped solid state ( DPSS ) lasers is used in Raman spectroscopy .