v3.26.3
Cover
 9 Months Ended
Sep. 30, 2026
Entity Information [Line Items]  
Document Type S-1
Amendment Flag false
Entity Registrant Name BLUE LASER FUSION, INC.
Entity Central Index Key 0001938570
Entity Incorporation, State or Country Code DE
Entity Primary SIC Number 8731
Entity Tax Identification Number 88-1593753
Entity Address, Address Line One 6950 Hollister Ave
Entity Address, City or Town Goleta
Entity Address, State or Province CA
Entity Address, Postal Zip Code 93117
City Area Code 650
Local Phone Number 906-0323
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Business Contact [Member]  
Entity Information [Line Items]  
Entity Address, Address Line One 6950 Hollister Ave
Entity Address, City or Town Goleta
Entity Address, State or Province CA
Entity Address, Postal Zip Code 93117
City Area Code 650
Local Phone Number 906-0323
Contact Personnel Name Shuji Nakamura