---
title: "SEFL-Type Narrow-Linewidth Semiconductor Lasers - Techwin"
url: https://stacklist.com/card/21898358-1eb5-4dac-8249-267c8aa9650c
source_url: "https://singlefrequencylaser.com/products/sefl-type-narrow-linewidth-semiconductor-lasers"
stack: https://stacklist.com/stack/981a45cb-c212-499b-92db-9835b98b1323
summary: "SEFL Type Narrow Linewidth Semiconductor Lasers are single-frequency high-energy lasers with ≥1000mJ output, featuring narrow linewidth (2 MHz) and compact design for integration. Key applications include LIDAR systems, scientific research, coherent detection, and fiber optic sensing with center wavelength at 1064 nm."
tags: "semiconductor-laser, narrow-linewidth, lidar, fiber-optic, coherent-detection, high-energy, 1064nm"
key_entities: "SEFL Type Narrow Linewidth Semiconductor Lasers (technology), LIDAR (concept), Coherent Detection (concept), Fiber Optic Sensing (concept), FC/APC Fiber Interface (technology)"
classification: "reference"
content_hash: "sha256:4ec4dc7d1f84f5d0cdc9b402ec24171ff0c8aa6d3fea9bc2b89188bff1b42eaa"
acp_version: "0.2"
token_counts_approximate: 253
visibility: public
agent_accessible: true
status: "final"
---

# SEFL-Type Narrow-Linewidth Semiconductor Lasers - Techwin

Single-Frequency High-Energy Series SEFL-Type Narrow-Linewidth Semiconductor Lasers Single-frequency high-energy laser with ≥1000mJ output. Get Quote Now Key Features High spectral performance Narrow linewidth Compact design, easy to integrate Applications LIDAR & Ranging Systems Scientific Research & Laboratories Coherent Detection & Interferometry Fiber Optic Sensing Technical Parameters Parameter Unit Specification Center Wavelength* nm 1064 Output Power mW 40 Operating Current mA 160 Threshold Current mA 20 Linewidth* MHz 2 Operating Temperature °C 10–35 Current Tuning Coefficient pm/mA 1.48 Temperature Tuning Coefficient pm/K 95 Fiber Interface — FC/APC Dimensions mm³ 102 × 58 × 13 Total Weight g ≤200 Operating Voltage V 5 Lifetime h >10,000 Need More Information? Our technical team is ready to help you find the perfect laser solution for your specific requirements. Get detailed specifications, custom configurations, and expert consultation. Request a Quote Browse All Products