Miniature Self-Aligned External Cavity Tunable Single Frequency Laser for THz Generation

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THz spectroscopy is gaining a strong foothold as a critical technology for applications ranging from explosives detection to security screening and materials analysis. However, to be fully enabled in field-deployable environments such as lawenforcement, military and industrial settings, a compact, robust, low-power-consumption laser source that can be precisely tuned over a range of several nm in the near infrared is required.